solvents used in NMR

2 Answers   Laurus,

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How do u differentiate primary

1 Answers  

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what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?

0 Answers   GHI, Siemens,

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What is the difference between chiral cel OD-H & OD-RH ?

3 Answers   Aptuit Laurus,

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How to establish pKa for a new API molecule ?

2 Answers   Neuland, Sun Pharma,

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what is definition of validation? which components are followed give detail?

0 Answers  

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What is the use of ELSD in HPLC?

3 Answers   Anthem,

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for which type of applications gas chromatography is used?

5 Answers   Cipla, Flamingo Pharmaceuticals,

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Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and apperance ? suggest ?

1 Answers   Orchid,

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I have 1 gram of Diphenylamine and want to make a 10,000 or 1000 ppm solution in methanol. How do I make this?

9 Answers   Midas Technologies,

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if you given one product then which tests you will perform?

0 Answers  

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what is use of acetonitrile compare to methanol in RP-HPLC Method devlopment

7 Answers   Neuland, Orchid,

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