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char = r;code = 114
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char = p;code = 112
char = h;code = 104
char = i;code = 105
char = c;code = 99
char = ;code = 32
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char = h;code = 104
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char = u;code = 117
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char = n;code = 110
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char = i;code = 105
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char = n;code = 110
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char = i;code = 105
char = r;code = 114
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = r;code = 114
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char = e;code = 101
char = d;code = 100
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char = a;code = 97
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char = e;code = 101
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char = c;code = 99
char = r;code = 114
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char = H;code = 72
char = P;code = 80
char = L;code = 76
char = C;code = 67
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char = y;code = 121
char = s;code = 115
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char = e;code = 101
char = m;code = 109
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char = a;code = 97
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char = d;code = 100
char = ;code = 32
char = i;code = 105
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = p;code = 112
char = p;code = 112
char = l;code = 108
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = i;code = 105
char = n;code = 110
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 = 98
char = i;code = 105
char = o;code = 111
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char = a;code = 97
char = v;code = 118
char = a;code = 97
char = i;code = 105
char = l;code = 108
char = a;code = 97
char = b;code = 98
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = d;code = 100
char = m;code = 109
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = i;code = 105
char = l;code = 108
char = ;code = 32
char = s;code = 115
char = a;code = 97
char = m;code = 109
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = s;code = 115
char = .;code = 46
result sql = Chromatographic behavior of cadmium in an ion-pair reversed-phase micro HPLC system and its application to the determination of bio-available cadmium in soil samples.
Chromatographic behavior of cadmium in an ion-pair reversed-phase micro HPLC system and its application to the determination of bio-available cadmium in soil samples.
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char = r;code = 114
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = r;code = 114
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
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char = h;code = 104
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char = e;code = 101
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char = H;code = 72
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char = L;code = 76
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char = e;code = 101
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char = m;code = 109
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char = h;code = 104
char = r;code = 114
char = o;code = 111
char = u;code = 117
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char = h;code = 104
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = l;code = 108
char = o;code = 111
char = g;code = 103
char = -;code = 45
char = l;code = 108
char = o;code = 111
char = g;code = 103
char = ;code = 32
char = p;code = 112
char = l;code = 108
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char = ;code = 32
char = m;code = 109
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char = h;code = 104
char = o;code = 111
char = d;code = 100
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = n;code = 110
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char = c;code = 99
char = o;code = 111
char = m;code = 109
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char = i;code = 105
char = n;code = 110
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
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char = ;code = 32
char = t;code = 116
char = h;code = 104
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char = a;code = 97
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = t;code = 116
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char = y;code = 121
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
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 = t;code = 116
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = e;code = 101
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char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = o;code = 111
char = g;code = 103
char = r;code = 114
char = a;code = 97
char = p;code = 112
char = h;code = 104
char = i;code = 105
char = c;code = 99
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 = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = p;code = 112
char = o;code = 111
char = s;code = 115
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char = i;code = 105
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char = h;code = 104
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = c;code = 99
char = h;code = 104
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = d;code = 100
char = ,;code = 44
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = m;code = 109
char = i;code = 105
char = t;code = 116
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char = o;code = 111
char = f;code = 102
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = d;code = 100
char = m;code = 109
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = 8;code = 56
char = .;code = 46
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char = 8;code = 56
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char = n;code = 110
char = g;code = 103
char = ;code = 32
char = m;code = 109
char = L;code = 76
char = (;code = 40
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char = );code = 41
char = ;code = 32
char = (;code = 40
char = 3;code = 51
char = s;code = 115
char = i;code = 105
char = g;code = 103
char = m;code = 109
char = a;code = 97
char = );code = 41
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = 1;code = 49
char = ;code = 32
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char = i;code = 105
char = c;code = 99
char = r;code = 114
char = o;code = 111
char = L;code = 76
char = ;code = 32
char = s;code = 115
char = a;code = 97
char = m;code = 109
char = p;code = 112
char = l;code = 108
char = e;code = 101
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char = i;code = 105
char = n;code = 110
char = j;code = 106
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = a;code = 97
char = r;code = 114
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = i;code = 105
char = n;code = 110
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 = c;code = 99
char = a;code = 97
char = d;code = 100
char = m;code = 109
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = 3;code = 51
char = 0;code = 48
char = -;code = 45
char = 8;code = 56
char = 0;code = 48
char = 0;code = 48
char = ;code = 32
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = m;code = 109
char = L;code = 76
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char = );code = 41
char = ;code = 32
char = (;code = 40
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char = (;code = 40
char = 2;code = 50
char = );code = 41
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char = 0;code = 48
char = .;code = 46
char = 9;code = 57
char = 9;code = 57
char = 2;code = 50
char = );code = 41
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = d;code = 100
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = s;code = 115
char = ;code = 32
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char = e;code = 101
char = e;code = 101
char = n;code = 110
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char = s;code = 115
char = u;code = 117
char = c;code = 99
char = c;code = 99
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char = s;code = 115
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char = f;code = 102
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char = l;code = 108
char = y;code = 121
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char = a;code = 97
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char = p;code = 112
char = l;code = 108
char = i;code = 105
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char = o;code = 111
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = t;code = 116
char = e;code = 101
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char = m;code = 109
char = i;code = 105
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char = a;code = 97
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
char = ;code = 32
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char = a;code = 97
char = d;code = 100
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char = u;code = 117
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char = ;code = 32
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char = ;code = 32
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char = i;code = 105
char = o;code = 111
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char = a;code = 97
char = i;code = 105
char = l;code = 108
char = a;code = 97
char = b;code = 98
char = l;code = 108
char = e;code = 101
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char = f;code = 102
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = B;code = 66
char = C;code = 67
char = R;code = 82
char = -;code = 45
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char = 8;code = 56
char = 3;code = 51
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = i;code = 105
char = l;code = 108
char = ;code = 32
char = s;code = 115
char = a;code = 97
char = m;code = 109
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = e;code = 101
char = x;code = 120
char = i;code = 105
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = R;code = 82
char = S;code = 83
char = D;code = 68
char = ;code = 32
char = (;code = 40
char = n;code = 110
char = =;code = 61
char = 6;code = 54
char = );code = 41
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = 7;code = 55
char = .;code = 46
char = 3;code = 51
char = %;code = 37
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = u;code = 117
char = l;code = 108
char = t;code = 116
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 = i;code = 105
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = g;code = 103
char = r;code = 114
char = e;code = 101
char = e;code = 101
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = d;code = 100
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = v;code = 118
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = B;code = 66
char = C;code = 67
char = R;code = 82
char = -;code = 45
char = 4;code = 52
char = 8;code = 56
char = 3;code = 51
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = i;code = 105
char = l;code = 108
char = ;code = 32
char = s;code = 115
char = a;code = 97
char = m;code = 109
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = s;code = 115
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 = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = I;code = 73
char = C;code = 67
char = P;code = 80
char = -;code = 45
char = M;code = 77
char = S;code = 83
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = t;code = 116
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = t;code = 116
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = b;code = 98
char = i;code = 105
char = s;code = 115
char = (;code = 40
char = 1;code = 49
char = ,;code = 44
char = 1;code = 49
char = ,;code = 44
char = 3;code = 51
char = ,;code = 44
char = 3;code = 51
char = -;code = 45
char = t;code = 116
char = e;code = 101
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = y;code = 121
char = l;code = 108
char = b;code = 98
char = u;code = 117
char = t;code = 116
char = y;code = 121
char = l;code = 108
char = );code = 41
char = ;code = 32
char = p;code = 112
char = h;code = 104
char = o;code = 111
char = s;code = 115
char = p;code = 112
char = h;code = 104
char = i;code = 105
char = n;code = 110
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
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char = .;code = 46
char = <;code = 60
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char = /;code = 47
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result sql = A novel reversed phase ion-pair micro HPLC system with on-line fluorescence detection has been developed systematically and studied for the determination of cadmium in its bio-available fractions of soil samples. In this system, a micro ODS column of 1.0 mm i.d.x150 mm length and a mobile phase containing 6 mmol L(-1) 8-hydroxyquinoline 5-sulphonic acid (HQS), 3 mmol L(-1) cetyltrimethylammonium bromide (CTMABr), 10 mmol L(-1) acetic acid-acetate buffer (pH 5.1) as well as 50% acetonitrile at 50 microL min(-1) flow rate were employed to determine cadmium with a 2 microL flow cell through its fluorescence at 518 nm under 338 nm excitation. Furthermore, the composition of Cd-HQS chelate formed on the column was confirmed to be [Cd(HQS)(2)](2-) through a log-log plot method, and then combined with the ion-pair reagent by the electrostatic force under the chromatographic condition proposed. With such a method, the detection limit of cadmium was 8.48 ng mL(-1) (3sigma) with 1 microL sample injection, and the linear range for the determination of cadmium was 30-800 ng mL(-1) (R(2)=0.992). This method has been successfully applied to determination of cadmium in its bio-available fractions of BCR-483 and soil samples without interference from other coexistent metal ions. The RSD (n=6) was less than 7.3%. The results were in agreement with the indicative value for BCR-483 and those for the soil samples obtained by ICP-MS with a pretreatment of bis(1,1,3,3-tetramethylbutyl) phosphinic acid extraction.

Publication: Anal Bioanal Chem 2003 Jul ;376(6)::923-7.
Publication Date: 2003 Jul
Study Author(s): Li, Bin;Wang, Qiuquan;Yan, Hua;Yang, Limin;Huang, Benli;
Institution: Department of Chemistry & the MOE Key Laboratory of Analytical Sciences, Xiamen University, 361005, Xiamen, China.
Shortcut link to this study:
A novel reversed phase ion-pair micro HPLC system with on-line fluorescence detection has been developed systematically and studied for the determination of cadmium in its bio-available fractions of soil samples. In this system, a micro ODS column of 1.0 mm i.d.x150 mm length and a mobile phase containing 6 mmol L(-1) 8-hydroxyquinoline 5-sulphonic acid (HQS), 3 mmol L(-1) cetyltrimethylammonium bromide (CTMABr), 10 mmol L(-1) acetic acid-acetate buffer (pH 5.1) as well as 50% acetonitrile at 50 microL min(-1) flow rate were employed to determine cadmium with a 2 microL flow cell through its fluorescence at 518 nm under 338 nm excitation. Furthermore, the composition of Cd-HQS chelate formed on the column was confirmed to be [Cd(HQS)(2)](2-) through a log-log plot method, and then combined with the ion-pair reagent by the electrostatic force under the chromatographic condition proposed. With such a method, the detection limit of cadmium was 8.48 ng mL(-1) (3sigma) with 1 microL sample injection, and the linear range for the determination of cadmium was 30-800 ng mL(-1) (R(2)=0.992). This method has been successfully applied to determination of cadmium in its bio-available fractions of BCR-483 and soil samples without interference from other coexistent metal ions. The RSD (n=6) was less than 7.3%. The results were in agreement with the indicative value for BCR-483 and those for the soil samples obtained by ICP-MS with a pretreatment of bis(1,1,3,3-tetramethylbutyl) phosphinic acid extraction.
PMID: 12802567

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