Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc
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How to prepare 50 ppm ammonia solution form 25% ammonia solution?
in which situation ion pair require to use?
Why we are using a Kf Factor range 4 to 6
Related substance method equivalency on control sample or spiked sample?
why we are using hexane in calibration of number of drop per mL
IF THE COMPOUND PKA IS 5.3 WHY WE ARE ADJUSTING PH+/-2 OF THE COMPOUNDS PKA. WHAT IS THE CONDITION
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what is mean by 40 in the dissolution basket mesh size?
in loss on drying Why follows on constant weight not more than 0.5 mg, any region
what is the difference between gc& hplc. why we r not calculating purity by gc for final products
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?
In acid base titration, after complet consumption of HCl by NaOH, addition of next drop of NaOH will give pink colour with phenolpthalein indicator. Why this pink colour appear? Why not blue, black, green or anything elese?
if out of two set of results of moisture analysis first 1 is passing, second one is failing, is it oos ? or vice a versa first 1 is failing and second one is passing. for information mean value to be reported and in mean value the substance is ppassing, is it oos or normaal mean value to be considered?