How to Perform a Recrystallization ?

4 Answers  

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why we are using buffer solutionas as a mobile phase in hplc.

2 Answers  

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HOw do i calculate the number of theoretical plate on a HPLC chromatography

2 Answers   Laurus,

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Why we have to take 42gm of sodium hydroxide instead of 40gm for preparation of 1M Sodium hydroxide as per Pharmacopia? Whether it means the formula for calculating molarity was wrong? 

5 Answers   Claris Otsuka, Ranbaxy,

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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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what is the most common FT-IR source used for the MID&Near IR regions?

1 Answers   Dr Reddys, Piramal Enterprises,

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What is the difference between HPLC and GC?

3 Answers  

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why xterra column require to use at higher ph?

0 Answers  

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How to fix the sample concentration in related substances development.

3 Answers   Novartis, Watson Pharmaceuticals,

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What is unit of KF?

7 Answers   ZCL,

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What is difference between assay by Hplc and uv

2 Answers   Aizant, Fredun Pharmaceuticals, Hetero, Marksans Pharma,

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is ther any guidline is available for limt of peak fronting.and what is the limt of peak fronting.

2 Answers  

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