Answer Posted / s.ramakrishna

when analysing aldehydes, ketones don't use methanol as a media.these componds reacts with methanol to form additional water.thats why we use pyridene or 2-propanol as a medium in case of determination of water content of acetone by kf reagent

Many times I don't got a caffeine peak in calibration of hplc using guard column ❓

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what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me

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[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

850

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is it nessesary to do solution stability for 7 days?

821

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how you establish the LOQ?

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How require to perform linearity as per ANVISA? What are the acceptance criteria?

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what are the guidelines for analytical method validations?

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How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain

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Principle of single pan analytical balance

5196

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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?

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cefoperozone and sulbactam inj. hplc test method

2746

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which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc

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please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

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What is the diffrence in japan mkt requirement in analytical method validation over US?

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analytical method validation require to with respect to release specification or shelf life specification?

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