which chromatographic technique is used for softening hard
water?
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I got 88.0 % assay for a drug in HPLC analysis for same injection i got 40.0% related substances is it possible? what is the relation between results of assay and purity?
Why six unit used for precision?
about method developement in hplc
perchloric acid&glacal acetic acid both are acids but reaction is complete in volumetric titrations.how?
How can we detect a compound in hplc which does not have any chromofore?
What is the requirement for brazil in the analytical method vslidation comparr to ich?
Which column is more polar, C8 or C18?
6 Answers Cipla, Glenmark, Laurus, Torrent Power,
In my analysis by HPLC,In sample main peak and placebo peak are eluting with shorter resolution ( almost look like doublet). how can i get max resolution ? Is changing gradient method is usefull?
Why we use Caffeine in hplc calibration
How can we determine Moisture content of HI?
why we have to store the pH electrode in 4.01 buffer ?
1 Answers Aurobindo, BioMax, BioSynth, Cipla, Indoco Remedies, SGS,
What is AV value in test uniformity content ,describe calculation
Organic Chemistry 
