Answer / somesh vadlakonda

Residue on ignition is shows howmuch ash(inorganic salts)
will present in the compound.Residue on evaporation will
gives other than the solvents in compound

why we use 0.1% acetone in gradient calibration of HPLC?

3 Answers   Cipla, Dr Reddys, FDC,

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what king of work is done in Regulatory Affairs in Pharma industry ?

3 Answers   Quintiles,

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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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IN DISSOLUTION TEST S1AND S2 AND S3 CONDITIONS ALL ARE FAILED THEN WHAT IS THE DESSICION U CAN TAKE

12 Answers   Cipla,

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i want to know about headspace and interview question on headspace

1 Answers   Srikem Laboratories,

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what are the normalisation, internal standard and external standerd methods in HPLC.

2 Answers   GVK,

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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?

0 Answers  

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What is difference between the working standard and reference standard?

1 Answers  

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Why sodium lamp is used in polarimeter?

1 Answers   Aurobindo, Micro Labs, Mylan,

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Why chromic acid wash is not recommended by USP for glassware cleaning?

1 Answers   Lupin,

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What is the pH of water?

1 Answers   Zydus Cadila,

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In Number of Theoretical Plates (N) = 16 (tr/w)2. where tr: retention time, and W: peak width. My Question is here in formula what is 16.Can u explain briefly? ---Veerabhadrarao.M

3 Answers   Micro Labs, Richter Themis, Sun Pharma,

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