Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
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what is pKa ?
10 Answers Dr Reddys, Shasun Chemicals,
What is calibration procedure of gredient HPLC pump
what are the guidelines for analytical method validations?
difference between instrumenent and equipment
what are the standard methods for HPLC?
How to use RF and rrf in Rs calculation( either multiply or divide)?
Why pH range is 1-14 nt more than 14???
3 Answers IPCA, Lincoln Pharmaceuticals,
in hplc calibration injector linearity pass,it means inj and det is good. why to perform detector linearity is it required, if it is required,what is difference between injector and detector linearity in hplc calibration
what is a placebo peak
2 Answers GMP Pharma, Optimus,
on what basis SOP's can be changed? IF mobile phase ratio is 70:30 to how much % can we change the ratio in HPLC process
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,
why we are using hexane in calibration of number of drop per mL