Qc interview questions
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how does h2so4 prevent oxidation of mohr salt before it is titrated?
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
if instrument calibration fails then what require to do?
how PH an important role in HPLC separation
What is difference between FID and TCD in gas chromatography
what is the difference between potentiometric titration and karl fischer titration?
why r u using hplc grade solvents
Why we are using K2Cr2O7 for control of absorbance in UV?
why results are variation in same samples analysis in gc and hplc ?
Why pH range is maximum 14.0
what is the difference of use of LOD test and Karl Fischer titra.?
what is difference between GC & GC-HS