Answer / chmreddy

“Vacuum” denotes exposure to a pressure of less than 20 mm of mercury (2.67 kPas), unless otherwise indicated.

What are the class-1 residual solvents listed in ICH guidelines?

2 Answers  

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loss on drying we applied vaccum for some compounds and some compounds are at 105c why

3 Answers  

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Is there any difference in principal of reverse phase and normal phase chromatography? and why? Please update. Thank and regard

3 Answers   MSN Pharma,

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Why we are injecting low load standard conc. while analysing Related Substances by HPLC?

3 Answers  

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What is difference between" LOD" AND "VACCUME LOD"

2 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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how we can identify the impurity is coming below loq at transfering site?

0 Answers  

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

0 Answers  

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IF WE INCREASE FLOW RATE RT DECRESE.WHY

2 Answers  

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reasons for negative peaks in chromatography

5 Answers   DRL,

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A new drug substance found fail to meet specification for an unknown Impurity during stability study(Specific change),how would further proceed?

2 Answers  

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difference between precision & accuracy.

1 Answers   Laurus,

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