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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 3124in determination of(acetone) moister content we are using methanol replaced by pyredine.what hapend in that reaction.
2 9489what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.
2630WHEN 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 10939Post New Analytical Chemistry Questions
What is dose dumping? why require to do?
If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?
Colorimtry
process of Diclofenac sodium,IP.
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
In HPLC (Waters) software Empower1,2 &3 what is the updation for each version
how require to set assay concentration for standard and sample?
How will u perform degradation study in detectors other thann PDA in HPLC Methodology
why digestion require in icpms?
if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?
What is viod volume and peak purity in HPLC?
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
Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
In rs method development when we are going area normalization method to dilute standard method?
what is procedure of actual procedure for registration of drug?
