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Answer Posted / d. sri krishna
TLC is a chromatographic separation technique. It is used
to separate different chemical like impurities in drug
substances.
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why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?
how will you do the prep for unstable componds?
how to calculate elemental impurities?
what is the principle involved in turbidometry and nephelometry ?
in dissolution why pool sample needed? in which type of drug pool sample need?
Which parameter require to do for analytical method equivalency?
Which are the diffrent grades of api in pharma?
if peak get problamatic then what require to do?
How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?
in hplc chromatogram started from left to right and in uv spectrum started from left to right
Is it nessesary all multimedia dissolution require descriminatory?
If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?
Colorimtry
how to qualify the impurity?
in which situation ion pair require to use?
