USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...
1548is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
1652we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion
1350Post New Analytical Chemistry Questions
How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?
what is classification of elemental impurities? what is risk assement in elemental impurities?
What is dose dumping? why require to do?
What is intact assay method development.....?
What is the use of tlc and hplc? And when and where use?
What is rs test why we are performing rs test?
Why use only methanol,used determinationof moisture content not use other solvents
What is the diffrence in japan mkt requirement in analytical method validation over US?
Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?
What is the calibration of uv process and preparation
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 ?
cefoperozone and sulbactam inj. hplc test method
How to start the dissolution development for unknown tab?
what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me
how can give the expiry period and restadardisation of volumetric solution
