some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?

0 Answers   Micro Labs, VMSRF,

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If we are getting split peak in Chromatogram,what we can do?

7 Answers  

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How we develop a method by HPLC for unknown compound,if we got three peaks with same response then how we can find out which one is our desired compound's peak without taking help of LC MS.

4 Answers   Apotex, Kemwell,

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why SGF media used for dissolution . What is the use of it .can we use other media of lower pH instead ot this?

1 Answers  

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why reference flow required during hplc analysis on rid?

1 Answers  

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What is difference between silica used in TLC and HPLC column

4 Answers   Cipla, Meghmani Organics,

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Can anybody tell me how to measure Redox potential in an aerobic matrix, for e.g., soil etc.?

2 Answers  

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Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc

0 Answers  

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what is primary solution and secondary solution

2 Answers  

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Why methanol & acetonitrile is mostly used for hplc analysis?

2 Answers   DRL,

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what is reverse phase chromarography&normal phase chromatography

4 Answers   Aurobindo,

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which solvent is highest poler acetonitrile dimethyl formamide methanole tetrahydrofurane buffer solution

8 Answers  

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