What is the difference between known and unknown impurities?
Answer / nikil kumar
Known impurities in related substance are related to the structure of compound, sometimes it may be starting metrial in case of coupling reaction.
Unknown impurities are generated during process via the side reaction with compounds.
Is This Answer Correct ? | 2 Yes | 0 No |
Is it compulsory to prepare KBr disc with sample in identification test by FTIR?
Why chromic acid wash is not recommended by USP for glassware cleaning?
why using the ph 4,7,9.2?
what is the defination of calibration & verification?
why we want incorporate area of each solution of Intermediate precision and repeatability as well as Accuracy ? What is the use to incorporate area of each solution of Intermediate precision and repeatability as well as Accuracy ?
why reference flow required during hplc analysis on rid?
In Analytical method development related substance method when did follow w/w method when did follow area normalisation method
2 Answers Dr Reddys, Sun Pharma,
what is differance between volatile and non volatile compound expalin by exaple
How to set analytical specification for combination products?
what is difirence b/w ROI&ROE
WHAT IS THE USE OF STARTER ?????????
What is calibration procedure of gredient HPLC pump