Retention time & Relative Retention time Definition & between difference? How to Calculate response factor(RF) & relative response factor(RRF)?
3 18624What is the definition of water content or moisture content,what is the procedure going on w.c amalysis?
1 10213Post New Analytical Chemistry Questions
what is partion and column chromatography
What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)
why digestion require in icpms?
How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?
what is the origin to prepare standard operating procedure
in each media we require to use SLS? how to proceed?
What is intact assay method development.....?
Why only 1.2 million lux hours require in photostability study?
What is aggregate and fragments in SEC?
What is importance of pH in the Heavy metal test and How it effect on the test results?
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
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?
Which are the diffrent grades of api in pharma?
What is mean by PDR?
