before starting analytical method valodation what you checking? and how giving preference to start validation?

334

Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?

1688

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

312

What is related substance by HPLC impurity limits as per USP?

545

if instrument calibration fails then what require to do?

458

Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...

1213

Difference between the quantitative analysis and qualitative analysis?

616

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

2386

What is shaking level in GC?

324

How to set specification of assay, fisdolution and related substances?

356

what is classification of elemental impurities? what is risk assement in elemental impurities?

332

why holium oxide prepared in 10% HCLO4 SOLUTION

988

in each media we require to use SLS? how to proceed?

286

Did anybody have method for acetyl cysteine effervescnce tablet

1806

How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

2709