Impurities test for Cefradine (EP- method)

Impurities test for Ampicillin Sodium (EP-8.0 method): SAMPLE PREPARATION: Reference solution (a): Dissolve 27.0 mg of Ampicillin in Mobile phase A and dilute to 50ml with mobile phase A. Reference solution (b): Dissolve 2mg of cefradine CRS in mobile phase…

Assay Analysis for Cefalexin (EP- method): SAMPLE PREPARATION: Reference solution-a: Dissolve 50 mg of Cefalexin monohydrate in water and dilute to 100 ml with water. Reference solution-b: Dissolve 10 mg of Cefradine in 20 ml of reference solution (a) and…

Impurities test for Cefalexin (EP-8.0 method): SAMPLE PREPARATION: Test solution: Dissolve 50 mg of the substance to be examined in Mobile phase A and dilute to 50.0 ml with mobile phase A Reference solution (a): Dissolve 10 mg of D-phenylglycine…

Impurities test for Hydrochlorothiazide (EP- method): SAMPLE PREPARATION: Reference solution-a: Dissolve 3mg of Impurity-A and 3mg of Hydrochlorothiazide in 5ml of mixture of equal volumes of acetonitrile and methanol if necessary dilute to 20ml with phosphate buffer solution pH 3.2.…