Answer / msj

In API synthesis using water as final purification steps,check the water content and in spec also will mention water content.but some of the api's usd solvents for purification purpose.these solvents pick up the moisture frm atmospear at purification time and some of apis having more hygroscopicity nature these two conditions will check moisture content.in spec will mentioned moisture content.water content and moisture content analysis is same.

why we use glass fiber filters use in some situation?

0 Answers  

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What is column in chromatography?

0 Answers   Chembond Chemicals,

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stability study is going on up to 3years for famotidine-USP but the pharmacopeia is revised and tlc test is replaced with hplc test. At the 4th year frequency the product is failed in hplc test .how can i assain the expiry or retest date and can i stop or continue the programme?

2 Answers   Nakoda Chemicals,

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what is the difference between polarimeter lamp and ir lamp

0 Answers  

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IF HPLC CALIBRATION FAILED THEN WHAT YOU DO

6 Answers  

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Why do we use sodium salicylate for Calibration TLC Cabinet U.V Lamps

3 Answers   Matrix, Spar Labs,

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why we conclude the area% for the chromatographic purity?

1 Answers   Amneal Pharmaceuticals, Lupin,

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difference between AAS & flame photo meter ?

3 Answers  

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What is Rf value& Rx value in TLC?

1 Answers   Abbott,

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what is primary solution and secondary solution

2 Answers  

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What is the procedure for the calibration of ph meter?

1 Answers   IBS,

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What is the definition of RRF

2 Answers  

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