system 2 account 1411 ether- ethyl acetate-glacial acetic
DESCRIPTION
veloped in a CAMAG 20 cm X 20 cm twin trough glass chambers pre-saturated with the mobile phase to a distance of 89 mm. The mobile phase consisted of petroleum ether- ethyl acetate-glacial acetic acid (GAA) (6 ml: 4 ml: 10 µl v/v/v). After development the TLC plates were dried and scanned on Camag TLC scanner 3 in the absor- bance mode at 244 nm. Preparation of standard, stock and sample solutions Stock solutions were prepared in acetonitrile (1 mg/ml) for quantitation of the EDA in bulk and in commercial dosage forms (Aravon injection, Sun Pharmaceuticals Ind. Ltd.). To analyze the stressed samples suitable dilu- tions were made in mobile phase to obtain the final con- centration of 12 μg/band with respect to EDA. Same aliquots of EDA were prepared for recovery stuTRANSCRIPT
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