Answer Posted / pardeep saini

AV value is Acceptance Value in Uniformity of Content

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

1822

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Basic principle of ESI?

2153

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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

2389

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Related substance method equivalency on control sample or spiked sample?

771

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mahagenco syllabus for the post of chemist

6481

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Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?

707

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in which situation ion pair agent require to use?

739

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[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?

795

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We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy

1909

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If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately

860

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we can use expired sample for validation and analyst qualification?

813

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How to determine water content of bis tetrazole amine mono ammonium salt

3489

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why require to do water content for drug product?

835

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Qc interview questions

1745

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How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

1780

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