Can you please give a suitable definition and an example for understanding the words purity and potency.6 5882
What is column in chromatography?723
why we get negative values in uv when i placed sample which has some concetration but not in standard1 3005
how the compound separate in coulunm,explain926
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space843
Why use the Omeprazole as a reference standard to estimate the assay of esomeprazole by HPLC method1 2101
are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????646
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 5574
How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.
How would you decide dissolution medium for NCE compound of class I drug
In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )
Why sodium hydroxide used for maintain pH of phosphate buffer
what type of questions asked on analytical balance and also give answers................all pharma companies?
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
acceptance criteria for lod & loq by standard deviation of response and slope??
Principle of single pan analytical balance
what is separation techniques.
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
what is the limit for KF Factor ,we take factor using water we will found factor between 6 to 7 ,while on KF Reagent bottle mentioned 5 mg/ml water content.if we not use dried methanol it is effect on factor.
please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development
pharma industries oriented