Can you please give a suitable definition and an example for understanding the words purity and potency.6 7519
What is column in chromatography?1186
why we get negative values in uv when i placed sample which has some concetration but not in standard1 3847
how the compound separate in coulunm,explain1423
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space1300
Why use the Omeprazole as a reference standard to estimate the assay of esomeprazole by HPLC method1 2982
are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????1045
In UV calibration we use Holmium perchlorate solution made in 1.4M perchloric acid The question is that 1.4 M perchloric acid we make is it in water or glacial acetic acid?4 8941
Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?
What is the main difference between ODS1 and ODS2 Hplc column.
sop of a uv visible spectrophotometer double beam elico model
If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?
what type of questions asked on analytical balance and also give answers................all pharma companies?
How would you decide dissolution medium for NCE compound of class I drug
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
What is the limit for single maximum impurity limit as per USP??
what type of question will ask in the interview of lab chemist.
How to start the dissolution development for unknown tab?
Tell me something about Vitamin A test method by HPLC
In Assy by potentio metry titration method how select MET U ,DET U, SET U,
How to establish relative response factor for hplc. Why it is required?
why does used dry caffien in HPLC calibration?
How to determine water content of bis tetrazole amine mono ammonium salt