UV and PDA detector, which have less signal to noise ratio?
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defination of wavelength & wave number
What is (Q) point dissolution?
when we have polar type of sample and solvnt hen which type of stationry phase we have to use
how do you perform reverse enginearing study for drug containing sodium chloride sodium citrate sodium bicarbonate
In acid base titration, after complet consumption of HCl by NaOH, addition of next drop of NaOH will give pink colour with phenolpthalein indicator. Why this pink colour appear? Why not blue, black, green or anything elese?
how do you established the RRF for unknown impurity
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.
which effect is mainly responsible for chromatographic separation when silica is the statinary phase at TLC? thanks in advance
how require to select dissolution media? what is discrimination?
Why chromic acid wash is not recommended by USP for glassware cleaning?
formula for %RSD.
What attracted you to analytical chemistry?