which brands GC coloumn available in market

4 Answers  

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water is more polar than acetonitrile.but in reverse phase chromatography peaks elute earlier when we increse Acetonitrile.what is the reason.

10 Answers   Matrix,

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In Related Substances Test how we can reside the limit of impurity ?

2 Answers   MSN Pharma,

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what is the difference between EP and BP

2 Answers   Novartis, Vimta Labs,

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key components in gas chromotagraphy.

1 Answers   Laurus,

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in gas chromatography what is the difference between gas flow rate and average linear velocity ?

0 Answers   USV,

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what is PH of 0.1N Hcl, 0.01N Hcl & Mehanol.

3 Answers  

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can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?

0 Answers   Cipla, XYZ,

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what type of question will ask in the interview of lab chemist.

0 Answers   Godavari Biorefineries, Monginis,

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How to fix the sample concentration in related substances development.

3 Answers   Novartis, Watson Pharmaceuticals,

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In Number of Theoretical Plates (N) = 16 (tr/w)2. where tr: retention time, and W: peak width. My Question is here in formula what is 16.Can u explain briefly? ---Veerabhadrarao.M

3 Answers   Micro Labs, Richter Themis, Sun Pharma,

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how to regulate noise in hplc ?

2 Answers  

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