In GC and HPLC ,how we can decide which of following method will be suitable or use for quantitation of chromatogram at the time of method development. 1.Area Normalisation 2.External standard method 3.Internal standard method

1 Answers   Atul,

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i want to know about headspace and interview question on headspace

1 Answers   Srikem Laboratories,

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What is the importance of sulphated ash test?

1 Answers  

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why we are taking 85 ml of concentrated HCl to prepare 1N Solution

4 Answers   SG Phyto Pharma,

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what is the general mechanism of high performance liqiud chromatography?

7 Answers   Ajanta Pharma, Amneal Pharmaceuticals,

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In HPLC what is Single point threshold, peak purity index and minimum peak purity index? what should be consider for pure peak.

3 Answers  

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why we prefer kbr for ftir than kcl?

5 Answers   Aurobindo,

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why using the ph 4,7,9.2?

1 Answers   SRF,

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injection volume accruacy test i calibration of hplc

3 Answers   HLL,

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Why dissolution apparatus having 8 jars ?

5 Answers  

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What is method validation in quality control

1 Answers   Alchem,

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which effect is mainly responsible for chromatographic separation when silica is the statinary phase at TLC? thanks in advance

1 Answers  

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