One Raw material failed assay test is there any chance for failing purity of that material ?7 8276
What are the differences between GC and HPLC?1 11750
Why do we need GC instead of HPLC? or Why do we need HPLC instead of GC?4 8957
What is linearity in HPLC and how will you test?1 15750
What is the difference of time between two consecutive injections in HPLC?2 7788
Why we are use 0.005M Sulphuric acid, in control of absorbance performance test UV Spectrophotometer calibration2 11733
How much sample concentration should i inject against diluted standard in related substances for drug product in hplc analysis1 2029
how to prepare 25 ppm acetone. explian with formula4 11297
What is the diffeence between assay and uniformity of content2 6881
mode of absorption in alimentary canal?
Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6
How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?
How to calculate coreletion coefficient
Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?
What is the difference between spectro meter and spectro photo meter?
how will you do the prep for unstable componds?
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.
what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR
What is the purpose of octyl silane columns?
Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18
Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
how to calibrate hplc & gc
why does used dry caffien in HPLC calibration?
Qc interview questions