how require to set assay concentration for standard and sample?
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Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
what is the working priniciple of ph, what are parts in ph meter
What is the reason of RT change in new column v/s old column in HPLC
why plane of polarized light rotated by opticaly active compunds?
In case of dissolution test, if there is variation within 6 individual units however the batch is complying as per S1 criteria, is it necessary to do investigation for the same? What should be the criteria for such variation?
How you develop a method in HPLC?
0 Answers CU, Perrigo, Wockhardt,
what is use of acetonitrile compare to methanol in RP-HPLC Method devlopment
If compound Pka is 5 then which buffer you will select ?
why IR graph or spectra comes down ? Any reason
Why six unit used for precision?
What is the procedure for investigation of an OOS (Out of specification) results?
4 Answers Biocon, Dr Reddys, Reddy Labs,
Definition of beers_ lamberts law
4 Answers Aarti Industries, Agio Pharmaceuticals, Emcure, Supriya Lifescience,