If we change lenght of ph eletrode wire then it will affect on ph ?
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What is the procedure for UV-spectrophotometer calibration?
how you fix the limits of impurities?
what is basc principle of the HPLC,IR,UV AND GC? what is difference between diffusion spectra and transmision spectra in IR?
1 Answers Cadila, Dr Reddys, GICC, Mylan, Sygene, Torrent Pharma, Zydus Cadila,
How do we fix the sample concentaryion in hplc method development?
how can we decide the limit of cleaning validation? What is the criteria for it?
Difference between uv detector nd RI DETECTOR? wt s the difference between OVI Solvents nd residual solvents incase of GAS CHROMATOGRAPHY? nd wt s its detection limit?
How require to perform linearity as per ANVISA? What are the acceptance criteria?
what is rs test why we are perfoming rs test
What is peak purity and response factor in chromatographic analysis? Why we required to find out response factor?
Why we compare unequal concentrated solutions in heavy metals test. For example comparing the test solution with 1 ppm lead standard and telling it's less than 20ppm?
1 Answers Micro Labs, Mistair,
In GC Why does retention time decrease when temperature increases? Also how does a change in temperature effect selectivity?
what is difference between drug products and drug substance?