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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.
1 3124in determination of(acetone) moister content we are using methanol replaced by pyredine.what hapend in that reaction.
2 9488what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.
2630WHEN AN UN KNOWN SAMPLE IS GIVEN TO U,HOW WILL U START THE ANALYSIS(ie FIRST WHICH TEST TO BE DONE,NEXT,THEN NEXT),HOW WILL U DECIDE WHICH TYPE OF ANALYSIS TO BE DONE FOR IT?
2 10939Post New Analytical Chemistry Questions
if instrument calibration fails then what require to do?
why does used dry caffien in HPLC calibration?
Which is the highly polar and highly non polar column in HPLC?
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?
Tell me about analytical method validation in QC
what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
What is the calibration of uv process and preparation
In rs method development when we are going area normalization method to dilute standard method?
How doing qbd practically?
in hplc chromatogram started from left to right and in uv spectrum started from left to right
how much mass should be there in volumetric flask while in preparation of sample for assay?
What is aggregate and fragments in SEC?
in which situation ion pair require to use?
What is the requirement for brazil in the analytical method vslidation comparr to ich?
