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how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,
2602my name is santhosh i cmpleted b.pharmacy in 2009 then i went to uk in 2010 to pg diploma business management. after i came back to india.. recently again apply to uk for pharmaceutical analysis. they refused my visa you failed to explain y u r change subject. so plz ineed answer for y change the cource
1 3393why kbr is used for pellet preparation in ir spectroscopy, give the reasons? why kbr shows zero dipole moment?
6 18513Post New Analytical Chemistry Questions
I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?
why we use glass fiber filters use in some situation?
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
How much is the standard area for glc analysis
how you start the solubility study?
What is mean by PDR?
i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me
which situation gc hs and gc als require to use?
what is the purge flow & how to calculate
in sampling of raw material which side is pasted sampled labels
if you have given one product then how you determine the impurity in that?
What is the formula for relative diffrence for standard solution in solution stability in validation?
what is the difference between potentiometric titration and karl fischer titration?
In Dissolution Test why limit is define Q+5% what is the role of +5%.
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
