why we use actone for Gpv test in hplc calibration
Answer / sriram
Because of acetone exhibits keto-enol tatomerism i.e have a double bonds so it is UV active it shows absorbption in UV region
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Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?
What is (Q) point dissolution?
what is reverse phase chromarography&normal phase chromatography
how can delete the impurity in 1-(2:6 dichloro phenyl)-2-indolenone.and desolving the impurity in which solvent but does not desolve product in solvent.
what is the effect of injection volume calculate flow rate in perkin elmer headspace? (ccm parameter in HS)
How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.
which effect is mainly responsible for chromatographic separation when silica is the statinary phase at TLC? thanks in advance
On which pharmacopoeia basis we can calibrate instruments like HPLC,GC,UV,DISSO,IR etc...
9 Answers Cipla, Laurus, Micro Labs,
what is assay in hplc
what is mean by 40 in the dissolution basket mesh size?
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
What is the difference between low pressure gredient and high pressure gredient in hplc instrument?