by maheshbhuva | Jul 5, 2025 | Analytical Chemistry, karl Fischer titration, Molarity, Normality, Pharmaceutical interview,, Potentiometric Titration, Quality control (QC), wet lab
“Care before use” in Karl Fischer titration refers to the crucial steps and considerations taken before starting the actual titration process to ensure accurate, reliable, and safe results. Given that Karl Fischer titration is highly sensitive to moisture,...
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 | Mar 9, 2023 | stability
Stability studies are mainly of following types: • Long term stability. • Intermediate stability. • Accelerated stability. • In-use stability. Share this: Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window)...
by maheshbhuva | Mar 5, 2023 | Molarity
Definition Molecular weight dissolved in 1000 ml solution called Molarity Molarity Noted: M Formula Molarity We have make 1M NaOH for 300 ml water 12 gram NaOH dissolve in 1000 ml water If for use liquid (example Use formula Density = M/V    (Mass /Volume) Eg For...
by maheshbhuva | Mar 5, 2023 | Normality
Equivalent weight per liter of solution called normality Or equivalent weight soluble in 1 liter solution N : gram x 1000/equivalent weight x 1000 For solid How make 1 N NaOH solution ? Molecular weight of NaOH = 40 gm =40 X 1000 /1X 1000 = 40gm 40 gm NaOH dissolved...
