How you collect dissolution media while in stirring condition of a basket or a paddle?2 3078
At what distance the sample is collected in dissolution basket?3 5648
why we use prednisone tablet in chemical callibration of dissolution apparatus?6 28789
Why Ethanol is Used for Standardization of GC Head space?2595
How much area of methanol or other solvent are acceptable in blank (Diluent) of Gas chromatography.2 5953
As per OOT for any product what is calculation and how to invetigate the OOT3 8939
Why used 0.02% v/v solution of toluene in hexane for calibration of UV.3 8302
Why 1.2% KCl is used for limit of stray light? and why limit of stray light is required in UV calibration?5 32938
How to decided test concentration in GC analysis.3 4592
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.1288
What is the difference between Normal phase method & Reverse method in HPLC ? Define application of both method.4 15659
why are measure gas flow " ml " in Gas chromatography
what is the disso medium for tropsiun chloride
What are modes of quantification in related substances
sop of a uv visible spectrophotometer double beam elico model
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.
A ha tc is actual defination of retention time?
what is the extinction coefficient for Indomethacin or at 319nm wave length.
what type of question will ask in the interview of lab chemist.
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
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 ?
why 6 tablets use for dissolution
what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?
why equlirium conatant of water have 14 value
WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY