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before starting analytical method valodation what you checking? and how giving preference to start validation?
If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?
Tell me about analytical method validation in QC
How we choose the mobile phase for method development.?
Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?
if you get peak in blank then what require to do?
How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?
Why perchloric acid used for potentiometric titration
Why irmoisture balance is used for corrugated box moisture testing
in hplc chromatogram started from left to right and in uv spectrum started from left to right
I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?
for which product require to do content uniformity? what is limit of cu?
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...
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
