Qc interview questions381
What is difference between" LOD" AND "VACCUME LOD"2 1342
Difference between standard operating procedure and standard test procedures in pharmaceutical industry2 948
How to start the dissolution development for unknown tab?
what is DIPE limit in residual solvent?1 730
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.1 458
Near infrared Principle1 605
what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?
What is method validation in quality control
We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
Why potassium dichromate is used in calibration of uv?
function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?
Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18
Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?
for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol
why we are using hexane in calibration of number of drop per mL
What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio
why are measure gas flow " ml " in Gas chromatography
What is third generation HPLC Columns?
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?