In gas chromatographic analysis sometimes we use headspace, why it is required instead of manually injection?

1 Answers  

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Is sonication essential in solubility testing of a drug substance?

6 Answers   Aurobindo,

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on the basis of bcs class how to proceed the solubility?

0 Answers  

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What is split ratio in Gc? Splitless? how requirr to select?

0 Answers  

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What is the difference b/w OVI Solvents and Residual Solvents in case of Gas Chromatogaphy and What is its Detection Limit?

8 Answers   Jubilant Organosys, Suven Life Sciences,

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NMR is both qualitative and quantitative?EXPLAIN

2 Answers  

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what is dissolution What is unit of KF? what is the significant of pH in HPlc? WHY POTASSIUM HYDROGEN PTHALATE IS USED FOR PERCHLORIC ACID? What is difference btw UV detector & RID detector?

1 Answers  

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When i inject amines and acid on HPLC then which peak will elut first?

4 Answers   Sun Pharma,

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Why dissolution test is not performed in all of the products

0 Answers   Biocon, SDD,

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what is the difference between mcg and ppm?

5 Answers  

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What is difference between NDA & ANDA ?

1 Answers   Alembic,

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What is the reason for negative peak in HPLC while using UV detector.

2 Answers  

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