char = S;code = 83
char = o;code = 111
char = l;code = 108
char = u;code = 117
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = b;code = 98
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = s;code = 115
char = e;code = 101
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = s;code = 115
char = e;code = 101
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = 2;code = 50
char = 5;code = 53
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = g;code = 103
char = r;code = 114
char = e;code = 101
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = C;code = 67
char = .;code = 46
result sql = Solubility and stability of barium arsenate and barium hydrogen arsenate at 25 degrees C.
Solubility and stability of barium arsenate and barium hydrogen arsenate at 25 degrees C.
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = m;code = 109
char = o;code = 111
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = c;code = 99
char = u;code = 117
char = r;code = 114
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = o;code = 111
char = d;code = 100
char = y;code = 121
char = n;code = 110
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = d;code = 100
char = a;code = 97
char = t;code = 116
char = a;code = 97
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = B;code = 66
char = a;code = 97
char = 3;code = 51
char = (;code = 40
char = A;code = 65
char = s;code = 115
char = O;code = 79
char = 4;code = 52
char = );code = 41
char = 2;code = 50
char = (;code = 40
char = c;code = 99
char = );code = 41
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = B;code = 66
char = a;code = 97
char = H;code = 72
char = A;code = 65
char = s;code = 115
char = O;code = 79
char = 4;code = 52
char = .;code = 46
char = H;code = 72
char = 2;code = 50
char = O;code = 79
char = (;code = 40
char = c;code = 99
char = );code = 41
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = u;code = 117
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = o;code = 111
char = b;code = 98
char = t;code = 116
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = p;code = 112
char = e;code = 101
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = l;code = 108
char = u;code = 117
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = d;code = 100
char = a;code = 97
char = t;code = 116
char = a;code = 97
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = b;code = 98
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = s;code = 115
char = e;code = 101
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = b;code = 98
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = p;code = 112
char = i;code = 105
char = t;code = 116
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 = i;code = 105
char = s;code = 115
char = s;code = 115
char = o;code = 111
char = l;code = 108
char = u;code = 117
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = L;code = 76
char = o;code = 111
char = w;code = 119
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = n;code = 110
char = e;code = 101
char = u;code = 117
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = p;code = 112
char = H;code = 72
char = ;code = 32
char = (;code = 40
char = 3;code = 51
char = .;code = 46
char = 6;code = 54
char = 3;code = 51
char = -;code = 45
char = 7;code = 55
char = .;code = 46
char = 4;code = 52
char = 3;code = 51
char = );code = 41
char = ;code = 32
char = f;code = 102
char = a;code = 97
char = v;code = 118
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
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 = o;code = 111
char = f;code = 102
char = ;code = 32
char = B;code = 66
char = a;code = 97
char = H;code = 72
char = A;code = 65
char = s;code = 115
char = O;code = 79
char = 4;code = 52
char = .;code = 46
char = H;code = 72
char = 2;code = 50
char = O;code = 79
char = (;code = 40
char = c;code = 99
char = );code = 41
char = .;code = 46
char = ;code = 32
char = B;code = 66
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = B;code = 66
char = a;code = 97
char = H;code = 72
char = A;code = 65
char = s;code = 115
char = O;code = 79
char = 4;code = 52
char = .;code = 46
char = H;code = 72
char = 2;code = 50
char = O;code = 79
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = B;code = 66
char = a;code = 97
char = 3;code = 51
char = (;code = 40
char = A;code = 65
char = s;code = 115
char = O;code = 79
char = 4;code = 52
char = );code = 41
char = 2;code = 50
char = (;code = 40
char = c;code = 99
char = );code = 41
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = n;code = 110
char = e;code = 101
char = u;code = 117
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = p;code = 112
char = H;code = 72
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = d;code = 100
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = 7;code = 55
char = .;code = 46
char = 4;code = 52
char = 7;code = 55
char = ,;code = 44
char = ;code = 32
char = 7;code = 55
char = .;code = 46
char = 6;code = 54
char = 6;code = 54
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = B;code = 66
char = a;code = 97
char = 3;code = 51
char = (;code = 40
char = A;code = 65
char = s;code = 115
char = O;code = 79
char = 4;code = 52
char = );code = 41
char = 2;code = 50
char = (;code = 40
char = c;code = 99
char = );code = 41
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = l;code = 108
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = h;code = 104
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = p;code = 112
char = i;code = 105
char = t;code = 116
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = h;code = 104
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = ;code = 32
char = p;code = 112
char = H;code = 72
char = ;code = 32
char = (;code = 40
char = 1;code = 49
char = 3;code = 51
char = .;code = 46
char = 0;code = 48
char = 3;code = 51
char = ,;code = 44
char = ;code = 32
char = 1;code = 49
char = 3;code = 51
char = .;code = 46
char = 1;code = 49
char = 0;code = 48
char = );code = 41
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = B;code = 66
char = a;code = 97
char = 3;code = 51
char = (;code = 40
char = A;code = 65
char = s;code = 115
char = O;code = 79
char = 4;code = 52
char = );code = 41
char = 2;code = 50
char = (;code = 40
char = c;code = 99
char = );code = 41
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = p;code = 112
char = i;code = 105
char = t;code = 116
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = q;code = 113
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char = i;code = 105
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = t;code = 116
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char = 5;code = 53
char = 0;code = 48
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char = d;code = 100
char = e;code = 101
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char = e;code = 101
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char = s;code = 115
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char = l;code = 108
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char = e;code = 101
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char = a;code = 97
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char = s;code = 115
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char = c;code = 99
char = r;code = 114
char = y;code = 121
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char = l;code = 108
char = ;code = 32
char = c;code = 99
char = l;code = 108
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char = s;code = 115
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = X;code = 88
char = R;code = 82
char = D;code = 68
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
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char = S;code = 83
char = E;code = 69
char = M;code = 77
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = y;code = 121
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 = B;code = 66
char = a;code = 97
char = 3;code = 51
char = (;code = 40
char = A;code = 65
char = s;code = 115
char = O;code = 79
char = 4;code = 52
char = );code = 41
char = 2;code = 50
char = (;code = 40
char = c;code = 99
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char = ;code = 32
char = a;code = 97
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char = d;code = 100
char = ;code = 32
char = B;code = 66
char = a;code = 97
char = H;code = 72
char = A;code = 65
char = s;code = 115
char = O;code = 79
char = 4;code = 52
char = .;code = 46
char = H;code = 72
char = 2;code = 50
char = O;code = 79
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char = c;code = 99
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char = ;code = 32
char = i;code = 105
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char = d;code = 100
char = i;code = 105
char = c;code = 99
char = a;code = 97
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char = e;code = 101
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char = ;code = 32
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char = h;code = 104
char = a;code = 97
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char = ;code = 32
char = t;code = 116
char = h;code = 104
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char = s;code = 115
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char = a;code = 97
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char = l;code = 108
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char = a;code = 97
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char = t;code = 116
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char = s;code = 115
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char = p;code = 112
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result sql = The inconsistency among current thermodynamic data of Ba3(AsO4)2(c) and BaHAsO4.H2O(c) led the authors to obtain independent solubility data of barium arsenate by both precipitation and dissolution experiments. Low and neutral pH (3.63-7.43) favored the formation of BaHAsO4.H2O(c). Both BaHAsO4.H2Oc and Ba3(AsO4)2(c) formed at the neutral pH conditions (7.47, 7.66), whereas Ba3(AsO4)2(c) was the only solid phase precipitated at high pH (13.03, 13.10). The Ba3(AsO4)2(c) precipitate acquired at 50 degrees C appeared as small leafy crystal, while the Ba3(AsO4)2(c) solid precipitated at 25 degrees C comprised granular aggregate with some smaller crystal clusters. XRD and SEM analyses of Ba3(AsO4)2(c) and BaHAsO4.H2O(c) indicated that the solids were indistinguishable before and after the dissolution experiments. In the present work, the solubility products (Ksp) for Ba3(AsO4)2(c) and BaHAsO4.H2O(c) were determined to be 10(-23.53)(10(-23.01) to 10(-24.00)) and 10(-5.60)(10(-5.23) to 10(-5.89)), respectively. DeltaGf degrees for Ba3(AsO4)2(c) and BaHAsO4.H2O(c) were calculated to be -3113.40 and -1544.47 kJ/mol, respectively. There was no difference between the solubility products of the leafy and the granular Ba3(AsO4)2(c) solids.

Publication: J. Hazard. Mater. 2005 Apr 11 ;120(1-3)::37-44.
Publication Date: 2005 Apr 11
Study Author(s): Zhu, Yinian;Zhang, Xuehong;Xie, Qinglin;Chen, Yudao;Wang, Dunqiu;Liang, Yanpeng;Lu, Jie;
Institution: Department of Resources and Environmental Engineering, Guilin University of Technology, Jian-Gan Road 12, Guilin 541004, Guangxi, China. [email protected]
Shortcut link to this study:
The inconsistency among current thermodynamic data of Ba3(AsO4)2(c) and BaHAsO4.H2O(c) led the authors to obtain independent solubility data of barium arsenate by both precipitation and dissolution experiments. Low and neutral pH (3.63-7.43) favored the formation of BaHAsO4.H2O(c). Both BaHAsO4.H2Oc and Ba3(AsO4)2(c) formed at the neutral pH conditions (7.47, 7.66), whereas Ba3(AsO4)2(c) was the only solid phase precipitated at high pH (13.03, 13.10). The Ba3(AsO4)2(c) precipitate acquired at 50 degrees C appeared as small leafy crystal, while the Ba3(AsO4)2(c) solid precipitated at 25 degrees C comprised granular aggregate with some smaller crystal clusters. XRD and SEM analyses of Ba3(AsO4)2(c) and BaHAsO4.H2O(c) indicated that the solids were indistinguishable before and after the dissolution experiments. In the present work, the solubility products (Ksp) for Ba3(AsO4)2(c) and BaHAsO4.H2O(c) were determined to be 10(-23.53)(10(-23.01) to 10(-24.00)) and 10(-5.60)(10(-5.23) to 10(-5.89)), respectively. DeltaGf degrees for Ba3(AsO4)2(c) and BaHAsO4.H2O(c) were calculated to be -3113.40 and -1544.47 kJ/mol, respectively. There was no difference between the solubility products of the leafy and the granular Ba3(AsO4)2(c) solids.
PMID: 15811662

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