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

2 Answers  

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How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample

0 Answers  

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Dear sir, This is R.Kadambavadani working in a pharma industry. while doing RS analysis of ibuprofen API, unknown peak eluting some times in the 0.6 Min RT. Kindly send me what is the exact reason behind that. also am using ACN the mobile phase.

1 Answers  

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Shall i use a same hplc column for two different products.?

3 Answers  

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what is the working priniciple of ph, what are parts in ph meter

1 Answers  

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What is the difference between Paddle and Basket Why we are using Basket or paddle in dissolution.

7 Answers   Apotex, Cipla, GSK, Intas, Zydus Cadila,

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when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

0 Answers   ABC,

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why hydrogen and zero air used for flame ignition in gc?

1 Answers  

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What is Threshold in hplc?

2 Answers   Hetero,

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How do you show that equal quanitities of two isomers provide the same response using a PDA

1 Answers  

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what is the defination of accuracy & presicion?

8 Answers   Amneal Pharmaceuticals, GSK,

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what is mean by dissolution hydrodynamics?

0 Answers  

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