char = D;code = 68 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 = p;code = 112 char = y;code = 121 char = r;code = 114 char = e;code = 101 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = o;code = 111 char = i;code = 105 char = d;code = 100 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = d;code = 100 char = u;code = 117 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = b;code = 98 char = a;code = 97 char = c;code = 99 char = c;code = 99 char = o;code = 111 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = c;code = 99 char = i;code = 105 char = g;code = 103 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = t;code = 116 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = m;code = 109 char = o;code = 111 char = k;code = 107 char = e;code = 101 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = p;code = 112 char = i;code = 105 char = l;code = 108 char = l;code = 108 char = a;code = 97 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = g;code = 103 char = a;code = 97 char = s;code = 115 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 = y;code = 121 char = .;code = 46 result sql = Determination of pyrethroid residues in tobacco and cigarette smoke by capillary gas chromatography.
Determination of pyrethroid residues in tobacco and cigarette smoke by capillary gas chromatography.char = T;code = 84 char = h;code = 104 char = e;code = 101 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 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = f;code = 102 char = e;code = 101 char = n;code = 110 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = p;code = 112 char = a;code = 97 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = ,;code = 44 char = ;code = 32 char = c;code = 99 char = y;code = 121 char = h;code = 104 char = a;code = 97 char = l;code = 108 char = o;code = 111 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = ,;code = 44 char = ;code = 32 char = c;code = 99 char = y;code = 121 char = p;code = 112 char = e;code = 101 char = r;code = 114 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = ,;code = 44 char = ;code = 32 char = f;code = 102 char = e;code = 101 char = n;code = 110 char = v;code = 118 char = a;code = 97 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 = ;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 = l;code = 108 char = t;code = 116 char = a;code = 97 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = f;code = 102 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = b;code = 98 char = a;code = 97 char = c;code = 99 char = c;code = 99 char = o;code = 111 char = ;code = 32 char = (;code = 40 char = N;code = 78 char = i;code = 105 char = c;code = 99 char = o;code = 111 char = t;code = 116 char = i;code = 105 char = n;code = 110 char = a;code = 97 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = b;code = 98 char = a;code = 97 char = c;code = 99 char = c;code = 99 char = u;code = 117 char = m;code = 109 char = );code = 41 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = c;code = 99 char = i;code = 105 char = g;code = 103 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = t;code = 116 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = m;code = 109 char = o;code = 111 char = k;code = 107 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 char = d;code = 100 char = e;code = 101 char = n;code = 110 char = s;code = 115 char = a;code = 97 char = t;code = 116 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 = a;code = 97 char = c;code = 99 char = e;code = 101 char = t;code = 116 char = o;code = 111 char = n;code = 110 char = e;code = 101 char = ,;code = 44 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = l;code = 108 char = l;code = 108 char = o;code = 111 char = w;code = 119 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = p;code = 112 char = a;code = 97 char = r;code = 114 char = t;code = 116 char = i;code = 105 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 = r;code = 114 char = e;code = 101 char = s;code = 115 char = u;code = 117 char = l;code = 108 char = t;code = 116 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = a;code = 97 char = c;code = 99 char = e;code = 101 char = t;code = 116 char = o;code = 111 char = n;code = 110 char = e;code = 101 char = ;code = 32 char = m;code = 109 char = i;code = 105 char = x;code = 120 char = t;code = 116 char = u;code = 117 char = r;code = 114 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 = p;code = 112 char = e;code = 101 char = t;code = 116 char = r;code = 114 char = o;code = 111 char = l;code = 108 char = e;code = 101 char = u;code = 117 char = m;code = 109 char = ;code = 32 char = e;code = 101 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = r;code = 114 char = ,;code = 44 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 = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = u;code = 117 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = i;code = 105 char = t;code = 116 char = a;code = 97 char = b;code = 98 char = l;code = 108 char = e;code = 101 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = p;code = 112 char = i;code = 105 char = l;code = 108 char = l;code = 108 char = a;code = 97 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = g;code = 103 char = a;code = 97 char = s;code = 115 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 = y;code = 121 char = ;code = 32 char = (;code = 40 char = G;code = 71 char = C;code = 67 char = );code = 41 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = d;code = 100 char = u;code = 117 char = e;code = 101 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 = i;code = 105 char = s;code = 115 char = .;code = 46 char = ;code = 32 char = F;code = 70 char = l;code = 108 char = o;code = 111 char = r;code = 114 char = i;code = 105 char = s;code = 115 char = i;code = 105 char = l;code = 108 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = l;code = 108 char = u;code = 117 char = m;code = 109 char = n;code = 110 char = ;code = 32 char = c;code = 99 char = l;code = 108 char = e;code = 101 char = a;code = 97 char = n;code = 110 char = -;code = 45 char = u;code = 117 char = p;code = 112 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = u;code = 117 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = v;code = 118 char = i;code = 105 char = d;code = 100 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = l;code = 108 char = e;code = 101 char = a;code = 97 char = n;code = 110 char = -;code = 45 char = u;code = 117 char = p;code = 112 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = c;code = 99 char = e;code = 101 char = d;code = 100 char = u;code = 117 char = r;code = 114 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 = o;code = 111 char = b;code = 98 char = a;code = 97 char = c;code = 99 char = c;code = 99 char = o;code = 111 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = c;code = 99 char = i;code = 105 char = g;code = 103 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = t;code = 116 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = m;code = 109 char = o;code = 111 char = k;code = 107 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 char = d;code = 100 char = e;code = 101 char = n;code = 110 char = s;code = 115 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = e;code = 101 char = r;code = 114 char = m;code = 109 char = i;code = 105 char = t;code = 116 char = t;code = 116 char = i;code = 105 char = n;code = 110 char = g;code = 103 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 = i;code = 105 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = <;code = 60 char = ;code = 32 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = =;code = 61 char = ;code = 32 char = 0;code = 48 char = .;code = 46 char = 0;code = 48 char = 1;code = 49 char = ;code = 32 char = m;code = 109 char = i;code = 105 char = c;code = 99 char = r;code = 114 char = o;code = 111 char = g;code = 103 char = r;code = 114 char = a;code = 97 char = m;code = 109 char = .;code = 46 char = g;code = 103 char = -;code = 45 char = 1;code = 49 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = m;code = 109 char = o;code = 111 char = s;code = 115 char = t;code = 116 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 = p;code = 112 char = y;code = 121 char = r;code = 114 char = e;code = 101 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = o;code = 111 char = i;code = 105 char = d;code = 100 char = s;code = 115 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = G;code = 71 char = C;code = 67 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 = 6;code = 54 char = 3;code = 51 char = N;code = 78 char = i;code = 105 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 = n;code = 110 char = ;code = 32 char = c;code = 99 char = a;code = 97 char = p;code = 112 char = t;code = 116 char = u;code = 117 char = r;code = 114 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 = o;code = 111 char = r;code = 114 char = ;code = 32 char = (;code = 40 char = G;code = 71 char = C;code = 67 char = -;code = 45 char = E;code = 69 char = C;code = 67 char = D;code = 68 char = );code = 41 char = .;code = 46 char = ;code = 32 char = Q;code = 81 char = u;code = 117 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = i;code = 105 char = t;code = 116 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = v;code = 118 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 = w;code = 119 char = a;code = 97 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 = t;code = 116 char = h;code = 104 char = e;code = 101 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 = o;code = 111 char = f;code = 102 char = ;code = 32 char = e;code = 101 char = x;code = 120 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = n;code = 110 char = a;code = 97 char = l;code = 108 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 = s;code = 115 char = .;code = 46 char = ;code = 32 char = C;code = 67 char = i;code = 105 char = g;code = 103 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = t;code = 116 char = t;code = 116 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = m;code = 109 char = a;code = 97 char = d;code = 100 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 = f;code = 102 char = l;code = 108 char = u;code = 117 char = e;code = 101 char = -;code = 45 char = c;code = 99 char = u;code = 117 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = b;code = 98 char = a;code = 97 char = c;code = 99 char = c;code = 99 char = o;code = 111 char = ;code = 32 char = s;code = 115 char = p;code = 112 char = i;code = 105 char = k;code = 107 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 = d;code = 100 char = i;code = 105 char = f;code = 102 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = t;code = 116 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 = p;code = 112 char = y;code = 121 char = r;code = 114 char = e;code = 101 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = o;code = 111 char = i;code = 105 char = d;code = 100 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 = u;code = 117 char = s;code = 115 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 = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = y;code = 121 char = r;code = 114 char = e;code = 101 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = o;code = 111 char = i;code = 105 char = d;code = 100 char = ;code = 32 char = l;code = 108 char = e;code = 101 char = v;code = 118 char = e;code = 101 char = l;code = 108 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = m;code = 109 char = a;code = 97 char = i;code = 105 char = n;code = 110 char = s;code = 115 char = t;code = 116 char = r;code = 114 char = e;code = 101 char = a;code = 97 char = m;code = 109 char = ;code = 32 char = s;code = 115 char = m;code = 109 char = o;code = 111 char = k;code = 107 char = e;code = 101 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 = 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 = e;code = 101 char = d;code = 100 char = .;code = 46 char = ;code = 32 char = F;code = 70 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = a;code = 97 char = l;code = 108 char = l;code = 108 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = y;code = 121 char = r;code = 114 char = e;code = 101 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = o;code = 111 char = i;code = 105 char = d;code = 100 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = i;code = 105 char = d;code = 100 char = u;code = 117 char = e;code = 101 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = 1;code = 49 char = .;code = 46 char = 5;code = 53 char = 1;code = 49 char = -;code = 45 char = 1;code = 49 char = 5;code = 53 char = .;code = 46 char = 5;code = 53 char = 0;code = 48 char = %;code = 37 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 = r;code = 114 char = a;code = 97 char = n;code = 110 char = s;code = 115 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = f;code = 102 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = b;code = 98 char = a;code = 97 char = c;code = 99 char = c;code = 99 char = o;code = 111 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = c;code = 99 char = i;code = 105 char = g;code = 103 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = t;code = 116 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = m;code = 109 char = o;code = 111 char = k;code = 107 char = e;code = 101 char = .;code = 46 char = <;code = 60 char = b;code = 98 char = r;code = 114 char = /;code = 47 char = >;code = 62 result sql = The extraction of fenpropathrin, cyhalothrin, cypermethrin, fenvalerate and deltamethrin from tobacco (Nicotina tobaccum) and cigarette smoke condensate with acetone, followed by partition of resulting acetone mixture with petroleum ether, was investigated and found suitable for capillary gas chromatography (GC) residue analysis. Florisil column clean-up was found to provide clean-up procedure for tobacco and cigarette smoke condensate permitting analysis to < or = 0.01 microgram.g-1 for most of the pyrethroids by GC with a 63Ni electron capture detector (GC-ECD). Quantitative determination was obtained by the method of external standards. Cigarettes made from flue-cured tobacco spiked with different amounts of pyrethroids were used and the pyrethroid levels in mainstream smoke were determined. For all the pyrethroid residues, 1.51-15.50% were transferred from tobacco into cigarette smoke.
Publication: J Chromatogr A 2002 Jul 26 ;964(1-2)::205-11.
Publication Date: 2002 Jul 26
Study Author(s): Cai, Jibao;Liu, Baizhan;Zhu, Xiaolan;Su, Qingde;
Institution: Department of Chemistry, Research Center of Tobacco and Health, University of Science and Technology of China, Hefei, China.
Shortcut link to this study:
The extraction of fenpropathrin, cyhalothrin, cypermethrin, fenvalerate and deltamethrin from tobacco (Nicotina tobaccum) and cigarette smoke condensate with acetone, followed by partition of resulting acetone mixture with petroleum ether, was investigated and found suitable for capillary gas chromatography (GC) residue analysis. Florisil column clean-up was found to provide clean-up procedure for tobacco and cigarette smoke condensate permitting analysis to < or = 0.01 microgram.g-1 for most of the pyrethroids by GC with a 63Ni electron capture detector (GC-ECD). Quantitative determination was obtained by the method of external standards. Cigarettes made from flue-cured tobacco spiked with different amounts of pyrethroids were used and the pyrethroid levels in mainstream smoke were determined. For all the pyrethroid residues, 1.51-15.50% were transferred from tobacco into cigarette smoke.
PMID: 12198849