why deutiriated chloroform used in NMR for sample prepration. what reaction takes place.give reasons

1 Answers  

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How long we can use hygroscopic reference standard in terms of water absorb.I mean in line with respective monograph's specification or more than that?

1 Answers  

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how would you determine the acceptance criteria for cleaning validationof product A for product B?

1 Answers   Cipla, Cypher Solutions, Torrent Power,

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AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

0 Answers  

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what is difference between IR & FTIR ? how we calibarte both ? I want to know the procedure.

7 Answers   Cadila,

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How to establish pKa for a new API molecule ?

2 Answers   Neuland, Sun Pharma,

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why we do the calibration of limit of stry light in hplc & uv

1 Answers   Cipla,

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What is the difference between Chromatograhic Purity And Related substances

11 Answers   Cipla,

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What is related substance by HPLC impurity limits as per USP?

0 Answers  

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difference between calibration and validation

2 Answers   Mylan,

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What is the optimum period of storage of indicators?

1 Answers   Orchid Chemicals and Pharmaceuticals,

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Why dissolution apparatus having 8 jars ?

5 Answers  

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