char = A;code = 65 char = ;code = 32 char = n;code = 110 char = o;code = 111 char = v;code = 118 char = e;code = 101 char = l;code = 108 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 = f;code = 102 char = o;code = 111 char = r;code = 114 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 = m;code = 109 char = a;code = 97 char = g;code = 103 char = n;code = 110 char = e;code = 101 char = s;code = 115 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 = u;code = 117 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = r;code = 114 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 = ;code = 32 char = m;code = 109 char = e;code = 101 char = r;code = 114 char = c;code = 99 char = u;code = 117 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = f;code = 102 char = i;code = 105 char = l;code = 108 char = m;code = 109 char = -;code = 45 char = p;code = 112 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = r;code = 114 char = b;code = 98 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = p;code = 112 char = a;code = 97 char = s;code = 115 char = t;code = 116 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 = d;code = 100 char = e;code = 101 char = .;code = 46 result sql = A novel method for determination of magnesium in urine and water samples with mercury film-plated carbon paste electrode.
A novel method for determination of magnesium in urine and water samples with mercury film-plated carbon paste electrode.char = A;code = 65 char = ;code = 32 char = s;code = 115 char = q;code = 113 char = u;code = 117 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = d;code = 100 char = s;code = 115 char = o;code = 111 char = r;code = 114 char = p;code = 112 char = t;code = 116 char = i;code = 105 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = p;code = 112 char = p;code = 112 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = v;code = 118 char = o;code = 111 char = l;code = 108 char = t;code = 116 char = a;code = 97 char = m;code = 109 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = c;code = 99 char = ;code = 32 char = (;code = 40 char = S;code = 83 char = W;code = 87 char = A;code = 65 char = d;code = 100 char = S;code = 83 char = V;code = 86 char = );code = 41 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 = 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 = i;code = 105 char = n;code = 110 char = d;code = 100 char = i;code = 105 char = r;code = 114 char = e;code = 101 char = c;code = 99 char = t;code = 116 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 = t;code = 116 char = r;code = 114 char = a;code = 97 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = m;code = 109 char = o;code = 111 char = u;code = 117 char = n;code = 110 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = m;code = 109 char = a;code = 97 char = g;code = 103 char = n;code = 110 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = u;code = 117 char = m;code = 109 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 = i;code = 105 char = o;code = 111 char = p;code = 112 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = o;code = 111 char = n;code = 110 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = o;code = 111 char = d;code = 100 char = i;code = 105 char = u;code = 117 char = m;code = 109 char = ;code = 32 char = (;code = 40 char = T;code = 84 char = P;code = 80 char = S;code = 83 char = );code = 41 char = ;code = 32 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 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 = a;code = 97 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = l;code = 108 char = i;code = 105 char = g;code = 103 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ,;code = 44 char = ;code = 32 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = r;code = 114 char = b;code = 98 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = p;code = 112 char = a;code = 97 char = s;code = 115 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = m;code = 109 char = e;code = 101 char = r;code = 114 char = c;code = 99 char = u;code = 117 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = f;code = 102 char = i;code = 105 char = l;code = 108 char = m;code = 109 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 = d;code = 100 char = e;code = 101 char = ;code = 32 char = (;code = 40 char = C;code = 67 char = P;code = 80 char = -;code = 45 char = M;code = 77 char = F;code = 70 char = E;code = 69 char = );code = 41 char = ;code = 32 char = i;code = 105 char = s;code = 115 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 char = e;code = 101 char = d;code = 100 char = .;code = 46 char = ;code = 32 char = I;code = 73 char = t;code = 116 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = b;code = 98 char = s;code = 115 char = e;code = 101 char = r;code = 114 char = v;code = 118 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = h;code = 104 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 = 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 = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = q;code = 113 char = u;code = 117 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = v;code = 118 char = o;code = 111 char = l;code = 108 char = t;code = 116 char = a;code = 97 char = m;code = 109 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = c;code = 99 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = t;code = 116 char = h;code = 104 char = o;code = 111 char = d;code = 100 char = i;code = 105 char = c;code = 99 char = ;code = 32 char = p;code = 112 char = e;code = 101 char = a;code = 97 char = k;code = 107 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 = o;code = 111 char = f;code = 102 char = ;code = 32 char = T;code = 84 char = P;code = 80 char = S;code = 83 char = ,;code = 44 char = ;code = 32 char = u;code = 117 char = n;code = 110 char = d;code = 100 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = a;code = 97 char = l;code = 108 char = k;code = 107 char = a;code = 97 char = l;code = 108 char = i;code = 105 char = n;code = 110 char = e;code = 101 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 = 44 char = ;code = 32 char = i;code = 105 char = s;code = 115 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 = 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 = c;code = 99 char = r;code = 114 char = e;code = 101 char = a;code = 97 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = M;code = 77 char = g;code = 103 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 = 46 char = ;code = 32 char = U;code = 85 char = n;code = 110 char = d;code = 100 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = o;code = 111 char = p;code = 112 char = t;code = 116 char = i;code = 105 char = m;code = 109 char = u;code = 117 char = m;code = 109 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 = a;code = 97 char = l;code = 108 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 = v;code = 118 char = i;code = 105 char = z;code = 122 char = .;code = 46 char = ;;code = 59 char = ;code = 32 char = p;code = 112 char = H;code = 72 char = ;code = 32 char = 1;code = 49 char = 0;code = 48 char = .;code = 46 char = 7;code = 55 char = 5;code = 53 char = ,;code = 44 char = ;code = 32 char = 3;code = 51 char = x;code = 120 char = 1;code = 49 char = 0;code = 48 char = (;code = 40 char = -;code = 45 char = 5;code = 53 char = );code = 41 char = M;code = 77 char = ;code = 32 char = T;code = 84 char = P;code = 80 char = S;code = 83 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = 0;code = 48 char = .;code = 46 char = 0;code = 48 char = 5;code = 53 char = M;code = 77 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 = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = b;code = 98 char = u;code = 117 char = f;code = 102 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = (;code = 40 char = N;code = 78 char = a;code = 97 char = (;code = 40 char = 2;code = 50 char = );code = 41 char = H;code = 72 char = P;code = 80 char = O;code = 79 char = (;code = 40 char = 4;code = 52 char = );code = 41 char = -;code = 45 char = N;code = 78 char = a;code = 97 char = H;code = 72 char = (;code = 40 char = 2;code = 50 char = );code = 41 char = P;code = 80 char = O;code = 79 char = (;code = 40 char = 4;code = 52 char = );code = 41 char = );code = 41 char = ,;code = 44 char = ;code = 32 char = a;code = 97 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 = e;code = 101 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 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 = 6;code = 54 char = x;code = 120 char = 1;code = 49 char = 0;code = 48 char = (;code = 40 char = -;code = 45 char = 9;code = 57 char = );code = 41 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = 9;code = 57 char = x;code = 120 char = 1;code = 49 char = 0;code = 48 char = (;code = 40 char = -;code = 45 char = 8;code = 56 char = );code = 41 char = M;code = 77 char = ;code = 32 char = M;code = 77 char = g;code = 103 char = (;code = 40 char = 2;code = 50 char = +;code = 43 char = );code = 41 char = ;code = 32 char = (;code = 40 char = 0;code = 48 char = .;code = 46 char = 1;code = 49 char = 4;code = 52 char = -;code = 45 char = 2;code = 50 char = .;code = 46 char = 1;code = 49 char = 6;code = 54 char = p;code = 112 char = p;code = 112 char = b;code = 98 char = );code = 41 char = ,;code = 44 char = ;code = 32 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = 6;code = 54 char = 0;code = 48 char = s;code = 115 char = ;code = 32 char = d;code = 100 char = e;code = 101 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 = t;code = 116 char = i;code = 105 char = m;code = 109 char = e;code = 101 char = ,;code = 44 char = ;code = 32 char = i;code = 105 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 = 46 char = ;code = 32 char = T;code = 84 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 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = M;code = 77 char = g;code = 103 char = (;code = 40 char = 2;code = 50 char = +;code = 43 char = );code = 41 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = 0;code = 48 char = .;code = 46 char = 1;code = 49 char = 4;code = 52 char = p;code = 112 char = p;code = 112 char = b;code = 98 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = 6;code = 54 char = 0;code = 48 char = s;code = 115 char = ;code = 32 char = d;code = 100 char = e;code = 101 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 = t;code = 116 char = i;code = 105 char = m;code = 109 char = e;code = 101 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 = r;code = 114 char = e;code = 101 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = a;code = 97 char = r;code = 114 char = d;code = 100 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = v;code = 118 char = i;code = 105 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = 0;code = 48 char = .;code = 46 char = 5;code = 53 char = %;code = 37 char = ;code = 32 char = (;code = 40 char = n;code = 110 char = =;code = 61 char = 5;code = 53 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 = p;code = 112 char = r;code = 114 char = o;code = 111 char = p;code = 112 char = o;code = 111 char = s;code = 115 char = e;code = 101 char = d;code = 100 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 = w;code = 119 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = c;code = 99 char = c;code = 99 char = e;code = 101 char = s;code = 115 char = s;code = 115 char = f;code = 102 char = u;code = 117 char = l;code = 108 char = l;code = 108 char = y;code = 121 char = ;code = 32 char = a;code = 97 char = p;code = 112 char = p;code = 112 char = l;code = 108 char = i;code = 105 char = e;code = 101 char = d;code = 100 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 = m;code = 109 char = a;code = 97 char = g;code = 103 char = n;code = 110 char = e;code = 101 char = s;code = 115 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 = u;code = 117 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = a;code = 97 char = p;code = 112 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = r;code = 114 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 = ;code = 32 char = s;code = 115 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = s;code = 115 char = f;code = 102 char = a;code = 97 char = c;code = 99 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = y;code = 121 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 = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 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 = 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 = a;code = 97 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = m;code = 109 char = p;code = 112 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = d;code = 100 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 = s;code = 115 char = t;code = 116 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = a;code = 97 char = r;code = 114 char = d;code = 100 char = ;code = 32 char = f;code = 102 char = l;code = 108 char = a;code = 97 char = m;code = 109 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = t;code = 116 char = o;code = 111 char = m;code = 109 char = i;code = 105 char = c;code = 99 char = ;code = 32 char = a;code = 97 char = b;code = 98 char = s;code = 115 char = o;code = 111 char = r;code = 114 char = p;code = 112 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 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 = p;code = 112 char = h;code = 104 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = c;code = 99 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 = (;code = 40 char = F;code = 70 char = A;code = 65 char = A;code = 65 char = S;code = 83 char = );code = 41 char = .;code = 46 char = <;code = 60 char = b;code = 98 char = r;code = 114 char = /;code = 47 char = >;code = 62 result sql = A square wave adsorptive stripping voltammetric (SWAdSV) method for the indirect determination of trace amounts of magnesium with thiopentone sodium (TPS) as an electroactive ligand, at carbon paste mercury film electrode (CP-MFE) is proposed. It is observed that the increase of the square wave voltammetric cathodic peak current of TPS, under alkaline conditions, is linear with the increase of Mg concentration. Under optimum experimental conditions viz.; pH 10.75, 3x10(-5)M TPS and 0.05M phosphate buffer (Na(2)HPO(4)-NaH(2)PO(4)), a linear relation in the range 6x10(-9) to 9x10(-8)M Mg(2+) (0.14-2.16ppb), at 60s deposition time, is obtained. The detection limit of Mg(2+) is 0.14ppb for 60s deposition time with the relative standard deviation is 0.5% (n=5). The proposed method was successfully applied to the determination of magnesium in urine and tap water samples with satisfactory results. The data obtained are compared with the standard flame atomic absorption spectrophotometric method (FAAS).
Publication: Talanta 2004 May 28 ;63(2)::497-501. :doi: 10.1016/j.talanta.2003.12.022.
Publication Date: 2004 May 28
Study Author(s): Farghaly, Othman A;
Institution: Chemistry Department, Faculty of Science, Al-Azhar University, Assiut Branch, 71524 Assiut, Egypt.
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A square wave adsorptive stripping voltammetric (SWAdSV) method for the indirect determination of trace amounts of magnesium with thiopentone sodium (TPS) as an electroactive ligand, at carbon paste mercury film electrode (CP-MFE) is proposed. It is observed that the increase of the square wave voltammetric cathodic peak current of TPS, under alkaline conditions, is linear with the increase of Mg concentration. Under optimum experimental conditions viz.; pH 10.75, 3x10(-5)M TPS and 0.05M phosphate buffer (Na(2)HPO(4)-NaH(2)PO(4)), a linear relation in the range 6x10(-9) to 9x10(-8)M Mg(2+) (0.14-2.16ppb), at 60s deposition time, is obtained. The detection limit of Mg(2+) is 0.14ppb for 60s deposition time with the relative standard deviation is 0.5% (n=5). The proposed method was successfully applied to the determination of magnesium in urine and tap water samples with satisfactory results. The data obtained are compared with the standard flame atomic absorption spectrophotometric method (FAAS).
PMID: 18969459