Why sulpuric acid only used to ROI but not used nitric acid and some other acids?6 16432
how can you do the analysis of compound given to u by hplc1 4597
What is calibration procedure of gredient HPLC pump4 19425
How to determine water content of thioanisole? which interfere by KF titration?1 5340
What is colimn selection Criteria in HPLC analysis?4 10658
Which buffer is used for LC/MS mobile phase & at What Conc.3 7675
How we fix the validity period of a Normal solution and re-standardization due date3 5357
Principle of single pan analytical balance
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.
What is viod volume and peak purity in HPLC?
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
what is weight veriation in pharma industry ? plz explain me
what is partion and column chromatography
are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
In the isomers,enantiomers give the only physical properties present such that no chemical properties present.
what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.
How to choose concentration of LOQ solutions for RS analysis? Example.
Why irmoisture balance is used for corrugated box moisture testing
Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?
Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?
please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development