Why do we use KMnO4 in the test of control of obsorbance ?
and why do we take specific quantity i.e 57-63mg?
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What is intact assay method development.....?
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
In IR spectra, generally a molecule vibrates without apply emr or ir light?
why inject diluted standard solution in related substance analysis by HPLC?
In HPLC what is Single point threshold, peak purity index and minimum peak purity index? what should be consider for pure peak.
What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?
How to select Sample concentration in RS analysis?example.
which detector is used in IR
what is the relation of normality & molarity ? give me formula?
what is the difference between capillary and glass column in GC
difference between quality and quantity
why we conclude the area% for the chromatographic purity?
1 Answers Amneal Pharmaceuticals, Lupin,