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why we use glass fiber filters use in some situation?
WHY given much noise PDA dector then VWD Dector
How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?
Basic principle of ESI?
1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer
For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?
why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?
in gas chromatography what is the difference between gas flow rate and average linear velocity ?
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
what you do when compound having dwel wavelength?
Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc
What is the diffrence in japan mkt requirement in analytical method validation over US?
Related substance method equivalency on control sample or spiked sample?
in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?
Why sodium hydroxide used for maintain pH of phosphate buffer
