Answer Posted / vamsi

amout of water will be selected based on the solubility of
the drug, and it should be discriminative ,it should
identify the change if there is any formulation change
and should show the change in the release profile.

in which situation require to use paddle and basket?

741

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How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?

3362

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Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

1919

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WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE

2137

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Principle of single pan analytical balance

5145

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how much mass should be there in volumetric flask while in preparation of sample for assay? 

2583

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Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?

2733

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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?

996

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Please give idea about method development for cleaning method and how maco level establish

757

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How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample

3248

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In performance Check of GC Why Hexadecane Peak is Considered 

3047

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WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY

2616

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In Assy by potentio metry titration method how select MET U ,DET U, SET U,

2175

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what is mean by peak intigrity?

956

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Why a1% value is used for some product ? What is the criteria for selection a1% value ?

2349

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