Spectrophotometric determination of carbamazepine ... - MA Zayed
Spectrophotometric determination of carbamazepine ... - MA Zayed Spectrophotometric determination of carbamazepine ... - MA Zayed
Absorbance 1 0.8 0.6 0.4 0.2 0 0 1 2 3 4 5 6 [Mo(V)]/[CBZ] a Absorbance 0.6 0.5 0.4 0.3 0.2 0.1 0 0 0.2 0.4 0.6 0.8 1 Mole fraction b Figure (3). Stoichiometric ratio of the reaction of Mo(V)–thiocyanate with the CBZ at λ max = 470 nm using (a) molar ratio and (b) continuous variation methods. 21
a b Figure (4). Absorption spectra of MOC ion pairs using (a) BTB and (b) BCG reagents in chloroform and methylene chloride, respectively. 22
- Page 1 and 2: Accepted Manuscript Original articl
- Page 3 and 4: Spectrophotometric determination of
- Page 5 and 6: Cl H 2 N O HO HO O O O OH H N O OH
- Page 7 and 8: lank solution. Procedure for the ta
- Page 9 and 10: carbamazepine. The data obtained ar
- Page 11 and 12: Cl + HO - H 2 N O Br HO HO O O O OH
- Page 13 and 14: Cl Cl Cl O O DDQ CN CN + H 2 N O HO
- Page 15 and 16: Mohamed, G.G., Nour El-Dien, F.A.,
- Page 17 and 18: Table (2). The molar absorptivity v
- Page 19 and 20: Table (4). Spectrophotometric deter
- Page 21: Absorbance 0.4 0.3 0.2 0.1 0 0 20 4
Absorbance<br />
1<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
0<br />
0 1 2 3 4 5 6<br />
[Mo(V)]/[CBZ]<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 0.2 0.4 0.6 0.8 1<br />
Mole fraction<br />
b<br />
Figure (3). Stoichiometric ratio <strong>of</strong> the reaction <strong>of</strong> Mo(V)–thiocyanate with the CBZ at λ max = 470 nm<br />
using (a) molar ratio and (b) continuous variation methods.<br />
21
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