ash or residue in that what will be there.
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How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?
what are the different methods of analysing related substances test,what are LOD AND LOQ .HOW TO REPORT IMPURITIES WHEN LOD AND LOQ LIMITS R SPECIFIED
What is the definition of water content or moisture content,what is the procedure going on w.c amalysis?
Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? other than these which can be used?
Why Holium cholorate used in UV Spectro photometer?
Why only lead standard solution is uesd to perform heavy metal test.
why we prefer kbr for ftir than kcl?
what is difference between GC & GC-HS
can some other acids like nitric acid or HCl can be used in the calibration of UV.Vis. spectrophotometer????
what is difference between drug products and drug substance?
What is similarity factor?
In GC, What does 'Column condensation test' mean by?