Answer / chandu 4m apex

to check the detector absorbption takes place with in the selected range or not

How to calibrate glassware against std calibrated glassware?

3 Answers   Cadila, Hetero,

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Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.

1 Answers  

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I got 88.0 % assay for a drug in HPLC analysis for same injection i got 40.0% related substances is it possible? what is the relation between results of assay and purity?

5 Answers  

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What are the primary standards?

6 Answers  

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if you get peak in blank then what require to do?

1 Answers  

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why 6 tablets use for dissolution

1 Answers   Cadila, IPCA, SUN, Teva Pharmaceuticals,

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how calibrate the hplc detector

2 Answers   Cipla, Shraddha Analytical Services,

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One Raw material failed assay test is there any chance for failing purity of that material ?

7 Answers   Mylan,

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why require the ph, buffer during hplc mobile phase?

1 Answers  

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what is internal standard define

2 Answers   Apex, Coromandel International Limited, Hikma Pharmaceuticals, IPCA,

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in dissolution why pool sample needed? in which type of drug pool sample need?

1 Answers   Torrent Pharma,

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does water content by KF will calculate only external moisture absorbed or the ligand ? (for ex copper sulphate pentahydrate)

0 Answers   NA,

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