by maheshbhuva | Jun 6, 2023 | Analytical Chemistry, Job in pharmaceutical companies, stability
In the pharmaceutical industry, a “finished product retest” refers to the process of evaluating a sample from a previously manufactured and packaged pharmaceutical product to assess its quality, safety, and efficacy. The purpose of the retest is to ensure...
by maheshbhuva | May 20, 2023 | stability
Here both are the different Accelerated stability testing only 40°C/75 RH Study here time period are 1,3,6,12 Each batch perform Accelerated stability study Here we have to seen that naturally degraded drug product which is covered  According to WHO guidelines...
by maheshbhuva | Apr 5, 2023 | 621 USP CHAPTER, Analytical Chemistry
All chapter are use full for ADJUSTMENT of chromatography, TLC etc In such case some questions arias that Why adjustment in chromatography ? How adjustment justified ? Adjust chromatography If your method is validated and method are submitted in DMF so...
by maheshbhuva | Jan 8, 2023 | Analytical Chemistry, karl Fischer titration
Guide line935 USPType Karl Fischer titrationColoarimatry and volumetry titrationColarimatry titration because use of a electromagnetic filedVolumetric titrationThere is a manually titration (classical method like In burette fill kf reagent and conical flask fill a...
by maheshbhuva | Jan 7, 2023 | Analytical Chemistry, karl Fischer titration
DST is primary standard and it is stable up to 150 degree Centigrade. It release free water molecules easily when reacts with KF reagent.DST is easily soluble in methanol. This DST has 15.66% water molecules so we can easily calculate and standardize the KF reagent....
