what is lod and loq3 7731
what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?2226
What is the b/W dead volume and dwell volume ?2 11123
why r u using hplc grade solvents4 8611
How do you show that equal quanitities of two isomers provide the same response using a PDA1 3849
How can we separate Urea & semicarbazide in single HPLC method ?2 4556
What is the calibration procedure for Malvern MS2000 particle size analyzer and acceptance criteria?2 2815
we calibrate HPLC once in 6 months while iam doing calibration i came to know that calibration was failed. then how can i justify that the samples analyzed on the system during this 6 months was wright? how can i forward in to the next step for those batches?5 8447
What is the solvent/material used to balance spirit level in analytical balance?4 8755
why do we use around only 60 mg of K2cr2o7 in the UV calibration -control of absorbance test?3 10288
could negative ions be produced by bombardment process in mass spectrometry?
what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.
Identify problem faced when mass spectroscopy is used with HPLC system ?
about method developement in hplc
iam usig ph buffers merk. manually how to prepare ?
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
What is the difference between purge septum flow and column flow in gas chromatography?
cefoperozone and sulbactam inj. hplc test method
A ha tc is actual defination of retention time?
what is the structure of DOWEX-50
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
In Assy by potentio metry titration method how select MET U ,DET U, SET U,
what type of question will ask in the interview of lab chemist.
What is the main difference between ODS1 and ODS2 Hplc column.
how can I make the copper get white bye any salt or acit?