Impurities in pharmaceuticals — Pharmaceutical chemistry, D Pharm 1st year.
Chapter 1, part 2.
Recorded livestream — Feb 21, 2026.

Chapters
00:00 Lesson opening
01:45 Impurities in Pharmaceutical Substances
17:00 Limit Test
24:27 Limit Test for Chloride
31:33 Limit Test for Iron
36:29 Limit Test for Arsenic
42:00 Limit Test for Heavy Metals

Study this subject
https://www.youtube.com/playlist?list=PLacMvfuedRXNqcKemdGyp0h3J-BCTPEU1

Next lesson: Volumetric analysis
https://youtu.be/dYIdUeasY1g

Previous lesson: Introduction to pharmaceutical chemistry
https://youtu.be/LY4LRhlXbYI

Study resources and links
Android app: https://play.google.com/store/apps/details?id=co.alexis.viki
iOS app: https://apps.apple.com/in/app/my-institute/id1472483563
Website: https://www.firsthope.co.in
Instagram: https://www.instagram.com/firsthope_pharmacy
iOS organization code: DYFFUX