how can delete the impurity in 1-(2:6 dichloro phenyl)-2-indolenone.and desolving the impurity in which solvent but does not desolve product in solvent.
1 1279in determination of(acetone) moister content we are using methanol replaced by pyredine.what hapend in that reaction.
2 6350what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.
1117WHEN AN UN KNOWN SAMPLE IS GIVEN TO U,HOW WILL U START THE ANALYSIS(ie FIRST WHICH TEST TO BE DONE,NEXT,THEN NEXT),HOW WILL U DECIDE WHICH TYPE OF ANALYSIS TO BE DONE FOR IT?
2 7763Post New Analytical Chemistry Questions
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
What is AV value in test uniformity content ,describe calculation
WHAT IS THE USE OF STARTER ?????????
How can the GC or HPLC method is selected to determine the impurity profile in drug product?
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.
how can give the expiry period and restadardisation of volumetric solution
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?
why we are using hexane in calibration of number of drop per mL
why equlirium conatant of water have 14 value
Can we interpret accuracy from linearity in method validation?
How would you decide dissolution medium for NCE compound of class I drug
are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????
Which is the highly polar and highly non polar column in HPLC?
