In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
1985Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? other than these which can be used?
7 12901When we r doing processing method for sst in Empower software by HPLC, What value has to give in void volume and as per which pharmacopia!
4 9611is a bonded water molecule in an organic material can be easlisy and accuractly determined by KF rather than LOD
2 4958What will be the effect on HPLC analysis result if three mobile phases given separately through three valves and same proportion mixed together and given by one valve?
LOIL,
1 3114Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.
1525mixed 1.0 ml of methanol and 1.0 ml of toluene and injected in gas chromatography.will you prove that both solvents are in the ratio 1:1(not by area normalization)
1 1653Post New Analytical Chemistry Questions
what is the extinction coefficient for Indomethacin or at 319nm wave length.
all types of questions asked at the cipla interview
In HPLC (Waters) software Empower1,2 &3 what is the updation for each version
we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion
What is intact assay method development.....?
what type of question will ask in the interview of lab chemist.
In Assy by potentio metry titration method how select MET U ,DET U, SET U,
what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?
In dissolution of tablets/capsules elaborate the Dissolution limit 20.0% to 60% Q in 30 minutes.
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?
How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.
Why dissolution test is not performed in all of the products
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.
what is definition of validation? which components are followed give detail?
