Why we use caffeine for HPLC calibration in Detector wave ength accuracy test59 143344
Why Deuterium lamp is used as UV light Source for UV.4 12938
What is unit of pH?26 34770
Why sodium lamp is used as source of Polarimeter?12 43715
why there is a need of optical activity & specific optical activity measurement by polarimeter6 8815
How many clauses in ISO!1 9053
Why 10%,20%,30% Sucrose solution is used for the calibration of polarimeter?5 19220
can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?
how the compound separate in coulunm,explain
Qc interview questions
What are the primary considerations in extractables and Leachables ?
What is the exact reason to use THF and IPA in buffers of Reverse phase HPLC as a solvent?
in gas chromatography what is the difference between gas flow rate and average linear velocity ?
what is peak purity and its formula
why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?
why we are using benzene, anyline in acetic anhdride assay titration method?
We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?
How to determine water content of bis tetrazole amine mono ammonium salt
How can the GC or HPLC method is selected to determine the impurity profile in drug product?
how can give the expiry period and restadardisation of volumetric solution
Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.
What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio