please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development240
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?237
How can we calculate offset value pH measurment119
What is stray light in uv what are units for stray light127
What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio192
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...133
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?224
How to check hplc detecter sensitivity?157
what is procedure of actual procedure for registration of drug?
what is the disso medium for tropsiun chloride
Explain the relations between number of carbon atoms in alkanes and retention time ?
what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?
How to choose the which salt is suitable for mobilephase
What is the pilot-plant in pharma sector.
What is Band broading effect explain
how will you do the prep for unstable componds?
What is the calibration of uv process and preparation
why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?
what is the identification test of volatile substance? what is volatile compound?
why we are using hexane in calibration of number of drop per mL