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ASSAY
Dissolve 0.250 g in 50 ml of anhydrous acetic acid R, add 5 ml of acetic anhydride R, mix and allow to stand for 30 min. Using 0.3 ml of naphtholbenzein solution R as indicator, titrate with 0.1 M perchloric acid until a green colour is obtained.
1 ml of 0.1 M perchloric acid is equivalent to 8.20 mg of C2H3NaO2.
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6Â¥2010-02-05 09:25:15
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