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why we use actone for Gpv test in hplc calibration
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Answer / sriram
Because of acetone exhibits keto-enol tatomerism i.e have a double bonds so it is UV active it shows absorbption in UV region
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why disodium tartarate used in karl-fischer instrument ?.
If suppose 10 methods of dissolution given in pharmacopoeial for single content product then which method out of 10? or all 10 require to follow?
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Related substance method equivalency on control sample or spiked sample?
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2 Answers Medley Pharmaceuticals,
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Organic Chemistry 
