Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
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Why Peak Purity is not determined in GC analysis?
In the test for control of absorbance in UV calibration why do we use only potassium dichromate and what is purpose of taking a specified amount of 57.0-63.0mg?
8 Answers Aurobindo, Cipla, FDC,
What attracted you to analytical chemistry?
in calibration of disintegration test apparatus why cycle limit is 28-32?
in which situation require to use paddle and basket?
Qc interview questions
Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .
Why use the Omeprazole as a reference standard to estimate the assay of esomeprazole by HPLC method
Why we compare unequal concentrated solutions in heavy metals test. For example comparing the test solution with 1 ppm lead standard and telling it's less than 20ppm?
1 Answers Micro Labs, Mistair,
what is the difference between gc& hplc. why we r not calculating purity by gc for final products
what is difference between assayand potency
What is difference b/t uv detector and rid