wt is difference between assay and purity in hplc?
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Answer Posted / arun tiwari
In assay we estimate the exact amount of substance present
in sample matrix w.r.t standard of known potency.
Potency is a measure of the activity of a drug in a
biological system and assay of std refered as potency.
Purity is the test to calculate the content of impurities
present in sample matrix.All impurities can not be analyse
by single method.
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