What is the column performance and column efficiency?

2 Answers   Reddy Labs,

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Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?

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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What is control room temperature and which guide line says?

0 Answers  

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In the test for control of absorbance in UV calibration why do we use only potassium dichromate and what is purpose of taking a specified amount of 57.0-63.0mg?

1 Answers   Reddy Labs,

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IF WE INCREASE FLOW RATE RT DECRESE.WHY

2 Answers  

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why should we do limit of stray light in UV calibration and why should use potassium chloride

2 Answers  

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What is difference between Potency & purity

3 Answers  

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What is the principle of GC/HPLC ?

4 Answers   BioCan, Biocon, Megafine Pharma,

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why we use caffeine for hplc calibration?

5 Answers   Aurobindo,

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why KF factor is between 4.5 to 7.5 mg/ml ? why ? why sometime pyridine is used in analysis like in raw material solvent like acetone etc?

11 Answers   Aurobindo, GVK, Sohan Healthcare,

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What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

0 Answers   Dr Reddys,

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