Answer Posted / b.gangatharan

In hplc area will increase when injection volume is increased.But rt will not increase or change.

why we are using benzene, anyline in acetic anhdride assay titration method?

1575

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If combination product how require to identify which imp is of which api?

321

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In which situation we require to analytical method validation of excipient?

292

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Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?

2468

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how will you do the prep for unstable componds?

1437

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how to calibrate hplc & gc

4029

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What is the purpose of octyl silane columns?

3788

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iam usig ph buffers merk. manually how to prepare ?

1777

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how you confirm the assay method?

285

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What is gelatinization?

1176

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what is partion and column chromatography

1819

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In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

2957

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How would you decide dissolution medium for NCE compound of class I drug

1703

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why we use a particular hplc column for a particular compound give reasons?please

2269

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if you have given one product then how you determine the impurity in that?

286

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