In Analytical method development related substance method when did follow w/w method when did follow area normalisation method2 12754
In Analytical method development related substance method when did follow w/w method when did follow area normalisation method5 14038
What is Signal to noise ratio?3 11900
what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?3028
I have 1 gram of Diphenylamine and want to make a 10,000 or 1000 ppm solution in methanol. How do I make this?9 13414
What is the purpose & importance of using the polystyrene film in ir calibration?3 11988
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?2209
why 1.2%kcl solution is using in limit os straylight?and why this test used for uv calibration?1 7052
why 0.02% solution toluene &noHexane using in uv calibration?1 7788
How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
for which product require to do content uniformity? what is limit of cu?
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
what is mean by covalidation
Why sodium hydroxide used for maintain pH of phosphate buffer
Identify problem faced when mass spectroscopy is used with HPLC system ?
if content uniformity passing but dissolution varrying then what is next step?
What is Band broading effect explain
why are measure gas flow " ml " in Gas chromatography
which situation gc hs and gc als require to use?
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
What is the use of tlc and hplc? And when and where use?
how can give the expiry period and restadardisation of volumetric solution
In Dissolution Test why limit is define Q+5% what is the role of +5%.