Deep Chand Agrawal

3 Questions 15 Answers 0 Followers

Questions related from Deep Chand Agrawal

During storage of Ethanol (USP Grage) particulate matter observed. Is there any science behind these particulate matter?

During storage of Ethanol (USP Grage) after filtration through 5-micron filter membrane. Particulate matter observed during storage. For that, we need to investigate the reason. Is any science...

27 November 2023 2,507 3 View

Struggling for purification process development related to product analog impurity. Need help to resolve issue ?

In one of our pregnane ring structure related product (Drospirenone), we are facing one impurity (i.e. 6-Methyl Drospirenone impurity) problem. The observed level of impurity is about 1% on USP...

26 November 2023 5,077 16 View

SIlica gel column becomes black while packing with cyclohexane. Why?

04 June 2016 386 15 View