Answer Posted / guest

Tetrahydrofuran

we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

1919

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

1876

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pharma industries oriented

2295

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Which parameters require to do in tech transfer?

819

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when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

2096

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for which product require to do content uniformity? what is limit of cu?

875

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

2665

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why we are using hexane in calibration of number of drop per mL

1792

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Explain the relations between number of carbon atoms in alkanes and retention time ?

2205

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How to set specification of assay, fisdolution and related substances?

932

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what is mean by nitrosamine impurities?

1117

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can i use hplc detector to uplc and why?

2347

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mode of absorption in alimentary canal?

2434

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what is mean by ambient temperature?

976

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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?

3403

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