|
|
char = E;code = 69
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
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char = H;code = 72
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char = e;code = 101
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char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = s;code = 115
char = a;code = 97
char = l;code = 108
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = h;code = 104
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char = d;code = 100
char = r;code = 114
char = o;code = 111
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char = y;code = 121
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char = s;code = 115
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char = d;code = 100
char = u;code = 117
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char = n;code = 110
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char = g;code = 103
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char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = c;code = 99
char = e;code = 101
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char = s;code = 115
char = :;code = 58
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char = f;code = 102
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char = r;code = 114
char = m;code = 109
char = a;code = 97
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char = i;code = 105
char = o;code = 111
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char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = p;code = 112
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = t;code = 116
char = i;code = 105
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char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
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char = e;code = 101
char = r;code = 114
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char = c;code = 99
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
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char = m;code = 109
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = .;code = 46
result sql = Effect of pH on the aluminum salts hydrolysis during coagulation process: formation and decomposition of polymeric aluminum species.
Effect of pH on the aluminum salts hydrolysis during coagulation process: formation and decomposition of polymeric aluminum species.char = E;code = 69
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = c;code = 99
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char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = p;code = 112
char = H;code = 72
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = l;code = 108
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char = r;code = 114
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char = e;code = 101
char = ;code = 32
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char = o;code = 111
char = l;code = 108
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char = i;code = 105
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char = ;code = 32
char = a;code = 97
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char = ;code = 32
char = l;code = 108
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char = w;code = 119
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char = c;code = 99
char = o;code = 111
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char = r;code = 114
char = a;code = 97
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char = i;code = 105
char = o;code = 111
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char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
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char = i;code = 105
char = n;code = 110
char = v;code = 118
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char = e;code = 101
char = c;code = 99
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char = r;code = 114
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char = p;code = 112
char = r;code = 114
char = a;code = 97
char = y;code = 121
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char = i;code = 105
char = z;code = 122
char = a;code = 97
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char = i;code = 105
char = o;code = 111
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char = ;code = 32
char = (;code = 40
char = E;code = 69
char = S;code = 83
char = I;code = 73
char = );code = 41
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = r;code = 114
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = r;code = 114
char = ,;code = 44
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
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char = d;code = 100
char = ;code = 32
char = d;code = 100
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char = o;code = 111
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char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = m;code = 109
char = e;code = 101
char = r;code = 114
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char = c;code = 99
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
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char = u;code = 117
char = m;code = 109
char = ;code = 32
char = s;code = 115
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char = ;code = 32
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char = d;code = 100
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char = s;code = 115
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char = C;code = 67
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char = u;code = 117
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char = e;code = 101
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char = ;code = 32
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char = o;code = 111
char = ;code = 32
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char = o;code = 111
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char = m;code = 109
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char = u;code = 117
char = l;code = 108
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char = e;code = 101
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char = (;code = 40
char = 1;code = 49
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char = 5;code = 53
char = ;code = 32
char = x;code = 120
char = ;code = 32
char = 1;code = 49
char = 0;code = 48
char = (;code = 40
char = -;code = 45
char = 4;code = 52
char = );code = 41
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = l;code = 108
char = /;code = 47
char = L;code = 76
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = c;code = 99
char = c;code = 99
char = u;code = 117
char = r;code = 114
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = m;code = 109
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = i;code = 105
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char = t;code = 116
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = M;code = 77
char = o;code = 111
char = n;code = 110
char = o;code = 111
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
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char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
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char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = i;code = 105
char = n;code = 110
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char = p;code = 112
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char = o;code = 111
char = d;code = 100
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char = c;code = 99
char = t;code = 116
char = s;code = 115
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char = a;code = 97
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char = ;code = 32
char = p;code = 112
char = H;code = 72
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char = 4;code = 52
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char = .;code = 46
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char = W;code = 87
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char = c;code = 99
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char = o;code = 111
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char = s;code = 115
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char = i;code = 105
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char = w;code = 119
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char = ;code = 32
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char = o;code = 111
char = p;code = 112
char = o;code = 111
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result sql = Effect of pH on the aluminum chloride hydrolysis at low concentration was investigated in detail by electrospray ionization (ESI) mass spectrometry. In particular, formation and decomposition processes of polymeric aluminum species were discussed. When coagulant AlCl(3) was diluted to normal coagulant dose (1.5 x 10(-4) mol/L), hydrolysis occurred immediately. Monomeric and dimeric aluminum species were the main products at pH 4.0. With pH increasing, hydrolysis and polymerization processes were accelerated. Monomeric and dimeric aluminum species hydrolyzed and polymerized into small polymeric aluminum species (Al(3)-Al(5) species) at pH 4.8. Through aggregation and self-assembly, the small polymeric aluminum species polymerized into median polymeric species (Al(6)-Al(10) species) at pH 5.0. In the same way, small and median polymeric aluminum species further aggregated into large polymeric species (Al(11)-Al(21) species). When pH was up to 5.8, metastable median and large polymers species decomposed into small aluminum species, then further disaggregated into dimeric species. With pH increased to 6.4, majority of aluminum species formed to Al(OH)(3) amorphous flocs. Accordingly, coagulant hydrolysis mechanism from polymerization toward decomposition was proposed. Furthermore, formation and decomposition of polymeric aluminum species in AlCl(3) solution followed the "Core-links" model, while those of Keggin-Al(13) species in polyaluminum solution was based on the "Cage-like" model.
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char = o;code = 111
char = f;code = 102
char = ;code = 32
char = p;code = 112
char = H;code = 72
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
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char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
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char = a;code = 97
char = l;code = 108
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = l;code = 108
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char = s;code = 115
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char = d;code = 100
char = u;code = 117
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char = g;code = 103
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char = g;code = 103
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char = d;code = 100
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char = d;code = 100
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char = o;code = 111
char = s;code = 115
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
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char = o;code = 111
char = f;code = 102
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char = p;code = 112
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = m;code = 109
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char = r;code = 114
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char = c;code = 99
char = ;code = 32
char = a;code = 97
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char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = e;code = 101
char = s;code = 115
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result sql = Effect of pH on the aluminum salts hydrolysis during coagulation process: formation and decomposition of polymeric aluminum species.
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char = ;code = 32
char = c;code = 99
char = h;code = 104
char = l;code = 108
char = o;code = 111
char = r;code = 114
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = v;code = 118
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = i;code = 105
char = g;code = 103
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = t;code = 116
char = a;code = 97
char = i;code = 105
char = l;code = 108
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = e;code = 101
char = l;code = 108
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = s;code = 115
char = p;code = 112
char = r;code = 114
char = a;code = 97
char = y;code = 121
char = ;code = 32
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = i;code = 105
char = z;code = 122
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = (;code = 40
char = E;code = 69
char = S;code = 83
char = I;code = 73
char = );code = 41
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = r;code = 114
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = r;code = 114
char = ,;code = 44
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = p;code = 112
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = s;code = 115
char = c;code = 99
char = u;code = 117
char = s;code = 115
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = .;code = 46
char = ;code = 32
char = W;code = 87
char = h;code = 104
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = a;code = 97
char = g;code = 103
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = A;code = 65
char = l;code = 108
char = C;code = 67
char = l;code = 108
char = (;code = 40
char = 3;code = 51
char = );code = 41
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = l;code = 108
char = u;code = 117
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = a;code = 97
char = g;code = 103
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = d;code = 100
char = o;code = 111
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = (;code = 40
char = 1;code = 49
char = .;code = 46
char = 5;code = 53
char = ;code = 32
char = x;code = 120
char = ;code = 32
char = 1;code = 49
char = 0;code = 48
char = (;code = 40
char = -;code = 45
char = 4;code = 52
char = );code = 41
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = l;code = 108
char = /;code = 47
char = L;code = 76
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = c;code = 99
char = c;code = 99
char = u;code = 117
char = r;code = 114
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = m;code = 109
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = M;code = 77
char = o;code = 111
char = n;code = 110
char = o;code = 111
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = p;code = 112
char = H;code = 72
char = ;code = 32
char = 4;code = 52
char = .;code = 46
char = 0;code = 48
char = .;code = 46
char = ;code = 32
char = W;code = 87
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = p;code = 112
char = H;code = 72
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = c;code = 99
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ,;code = 44
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = z;code = 122
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = c;code = 99
char = e;code = 101
char = l;code = 108
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = .;code = 46
char = ;code = 32
char = M;code = 77
char = o;code = 111
char = n;code = 110
char = o;code = 111
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = z;code = 122
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = z;code = 122
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = s;code = 115
char = m;code = 109
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = A;code = 65
char = l;code = 108
char = (;code = 40
char = 3;code = 51
char = );code = 41
char = -;code = 45
char = A;code = 65
char = l;code = 108
char = (;code = 40
char = 5;code = 53
char = );code = 41
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = );code = 41
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = p;code = 112
char = H;code = 72
char = ;code = 32
char = 4;code = 52
char = .;code = 46
char = 8;code = 56
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = u;code = 117
char = g;code = 103
char = h;code = 104
char = ;code = 32
char = a;code = 97
char = g;code = 103
char = g;code = 103
char = r;code = 114
char = e;code = 101
char = g;code = 103
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = l;code = 108
char = f;code = 102
char = -;code = 45
char = a;code = 97
char = s;code = 115
char = s;code = 115
char = e;code = 101
char = m;code = 109
char = b;code = 98
char = l;code = 108
char = y;code = 121
char = ,;code = 44
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = m;code = 109
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = z;code = 122
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = A;code = 65
char = l;code = 108
char = (;code = 40
char = 6;code = 54
char = );code = 41
char = -;code = 45
char = A;code = 65
char = l;code = 108
char = (;code = 40
char = 1;code = 49
char = 0;code = 48
char = );code = 41
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = );code = 41
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = p;code = 112
char = H;code = 72
char = ;code = 32
char = 5;code = 53
char = .;code = 46
char = 0;code = 48
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = a;code = 97
char = m;code = 109
char = e;code = 101
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = y;code = 121
char = ,;code = 44
char = ;code = 32
char = s;code = 115
char = m;code = 109
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = u;code = 117
char = r;code = 114
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = a;code = 97
char = g;code = 103
char = g;code = 103
char = r;code = 114
char = e;code = 101
char = g;code = 103
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = l;code = 108
char = a;code = 97
char = r;code = 114
char = g;code = 103
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = A;code = 65
char = l;code = 108
char = (;code = 40
char = 1;code = 49
char = 1;code = 49
char = );code = 41
char = -;code = 45
char = A;code = 65
char = l;code = 108
char = (;code = 40
char = 2;code = 50
char = 1;code = 49
char = );code = 41
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = );code = 41
char = .;code = 46
char = ;code = 32
char = W;code = 87
char = h;code = 104
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = H;code = 72
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = u;code = 117
char = p;code = 112
char = ;code = 32
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result sql = Effect of pH on the aluminum chloride hydrolysis at low concentration was investigated in detail by electrospray ionization (ESI) mass spectrometry. In particular, formation and decomposition processes of polymeric aluminum species were discussed. When coagulant AlCl(3) was diluted to normal coagulant dose (1.5 x 10(-4) mol/L), hydrolysis occurred immediately. Monomeric and dimeric aluminum species were the main products at pH 4.0. With pH increasing, hydrolysis and polymerization processes were accelerated. Monomeric and dimeric aluminum species hydrolyzed and polymerized into small polymeric aluminum species (Al(3)-Al(5) species) at pH 4.8. Through aggregation and self-assembly, the small polymeric aluminum species polymerized into median polymeric species (Al(6)-Al(10) species) at pH 5.0. In the same way, small and median polymeric aluminum species further aggregated into large polymeric species (Al(11)-Al(21) species). When pH was up to 5.8, metastable median and large polymers species decomposed into small aluminum species, then further disaggregated into dimeric species. With pH increased to 6.4, majority of aluminum species formed to Al(OH)(3) amorphous flocs. Accordingly, coagulant hydrolysis mechanism from polymerization toward decomposition was proposed. Furthermore, formation and decomposition of polymeric aluminum species in AlCl(3) solution followed the "Core-links" model, while those of Keggin-Al(13) species in polyaluminum solution was based on the "Cage-like" model.
Publication: J Colloid Interface Sci 2009 Feb 1 ;330(1)::105-12.
Publication Date: 2009 Feb 1
Study Author(s): Zhao, He;Liu, Huijuan;Qu, Jiuhui;
Institution: State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
Shortcut link to this study:
Publication Date: 2009 Feb 1
Study Author(s): Zhao, He;Liu, Huijuan;Qu, Jiuhui;
Institution: State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
Shortcut link to this study:
Effect of pH on the aluminum chloride hydrolysis at low concentration was investigated in detail by electrospray ionization (ESI) mass spectrometry. In particular, formation and decomposition processes of polymeric aluminum species were discussed. When coagulant AlCl(3) was diluted to normal coagulant dose (1.5 x 10(-4) mol/L), hydrolysis occurred immediately. Monomeric and dimeric aluminum species were the main products at pH 4.0. With pH increasing, hydrolysis and polymerization processes were accelerated. Monomeric and dimeric aluminum species hydrolyzed and polymerized into small polymeric aluminum species (Al(3)-Al(5) species) at pH 4.8. Through aggregation and self-assembly, the small polymeric aluminum species polymerized into median polymeric species (Al(6)-Al(10) species) at pH 5.0. In the same way, small and median polymeric aluminum species further aggregated into large polymeric species (Al(11)-Al(21) species). When pH was up to 5.8, metastable median and large polymers species decomposed into small aluminum species, then further disaggregated into dimeric species. With pH increased to 6.4, majority of aluminum species formed to Al(OH)(3) amorphous flocs. Accordingly, coagulant hydrolysis mechanism from polymerization toward decomposition was proposed. Furthermore, formation and decomposition of polymeric aluminum species in AlCl(3) solution followed the "Core-links" model, while those of Keggin-Al(13) species in polyaluminum solution was based on the "Cage-like" model.
PMID: 18977485
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