how to qualify the impurity?

874

In IR spectra, generally a molecule vibrates without apply emr or ir light?

1981

Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?

2964

If vendor having more imp than monograph then how to proceed? and how to set spec?

935

identification is for unknown? qualification for known? reporting for LOQ?

725

how to get accurate result for Residue on evaporation in purified water

1648

what is procedure of actual procedure for registration of drug?

2012

What is the formula for relative diffrence for standard solution in solution stability in validation?

801

if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

681

What is the main difference between ODS1 and ODS2 Hplc column.

5219

what is biorelivent dissolution media?

807

How will u perform degradation study in detectors other thann PDA in HPLC Methodology

2545

function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

2670

why require to add enzymes in capsules dissolution only? is it require to tablet also?

679

Why we use potassium dichromate in uv calibration Exact reason behind it??

1259