HOW TO CALCULATE THE MASS OF UNKNOWN IMPURITY IN LC-MS? AND WHAT IS THE ROLE OF FRAGMENTATION IN LC-MS ?

1 Answers  

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Why pH range is maximum 14.0

6 Answers   UPL,

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if you given one product then which tests you will perform?

0 Answers  

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In UV-VIS spectrophotometer:My diluent is methanol even though i corrected base line for methanol,In my sample scan i found methanol peak.what is the reason?

2 Answers  

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We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?

0 Answers  

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What is the difference between potentiometry assay and HPLc assay?

2 Answers   Apotex, Aurobindo, Divis Laboratories, Torrent Power,

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If suppose 10 methods of dissolution given in pharmacopoeial for single content product then which method out of 10? or all 10 require to follow?

0 Answers  

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what is the lamp used in SOR?

18 Answers   Aurobindo,

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what is analytical chemistry all about?

6 Answers   Dr Reddys,

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what is the difference between gc& hplc. why we r not calculating purity by gc for final products

5 Answers   Biocon, Cipla,

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why sucrose not used in polarimeter calibration?

2 Answers   Cipla,

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What is importance of pH in the Heavy metal test and How it effect on the test results?

0 Answers  

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