What is viod volume and peak purity in HPLC?

2015

Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.

2108

Polymer chain growth can be terminated by b-hydride elimination or by reaction with h2. What is one advantage of the h2 reaction? : Polymer Chemistry

340

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

31

How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?

2519

Why do you require laboratory temperature for viscosity determination?

350

How do we fix the sample concentaryion in hplc method development?

419

why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?

932

how you establish the LOQ?

26

What is the acceptance criteria for moisture balance when calibrated with sodium sulfate

1283

Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

2037

What is a potentiometer titration?

388

How is brass solution prepared?

409

Why ammonia is used as buffer solution in estimation of copper by EDTA method

1047

Which is the best conductor of electricity?

372