Answer / skreddy

caffin and benzophenones are thae primary standards and
they are having uv value at 254 nm. ben.phe gives 4 isomers
at 254 nm that will not changed at any conditions.

why in hplc peaks are in positive side(it means upside) not in negative side?

3 Answers  

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how require to calculate mass balance in related sub?

1 Answers  

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How will you select mobile phase in HPLC Method Development

4 Answers  

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In case of HPLC coloums what is the difference Between C8 & C18 coloums & how can we select difference type of coloums like Inertial ODS , Hypersil BDS , ODS etc.?

4 Answers   MSN Pharma,

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What is the purpose & importance of using the polystyrene film in ir calibration?

3 Answers   Vimta Labs,

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Tell me about analytical method validation in QC

0 Answers   Petronas,

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how do u optimise hplc method

1 Answers  

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1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer

0 Answers   Granules,

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in api coa contains only process impurities and in product coa contains degradation impurities?

0 Answers  

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What is difference between assay by Hplc and uv

2 Answers   Aizant, Fredun Pharmaceuticals, Hetero, Marksans Pharma,

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what is method development parameter in HPLC method development

6 Answers   GVK,

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Sulphated Ash incresed it will effect on product yield?

3 Answers   Biocon, Lupin,

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