Spectrophotometric determination of carbamazepine ... - MA Zayed
Spectrophotometric determination of carbamazepine ... - MA Zayed
Spectrophotometric determination of carbamazepine ... - MA Zayed
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Absorbance<br />
1.2<br />
1<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
0<br />
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5<br />
[BTB]/[MOC]<br />
a<br />
Absorbance<br />
0.6<br />
0.5<br />
0.4<br />
0.3<br />
0.2<br />
0.1<br />
0<br />
0 0.1 0.2 0.3 0.4 0.5 0.6<br />
b<br />
[BCG]/[MOC]<br />
0.9<br />
Absorbance<br />
0.7<br />
0.5<br />
0.3<br />
c<br />
BCG<br />
BTB<br />
0.1<br />
0 0.2 0.4 0.6 0.8 1<br />
Mole fraction<br />
Figure (5). Stoichiometric ratio <strong>of</strong> the reaction <strong>of</strong> MOC with (a) BTB and (b) BCG reagents<br />
using molar ratio and (c) continuous variation methods.<br />
23<br />
a
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