The Walkley-Black method using Ferrous Ammonium Sulfate -Potassium dichromate method was employed for the redox reaction. Back titration was carried out. Finding the amount of dichromate used, the ...

Potassium-Argon dating is similar to Carbon 14 dating because it uses radioactive decay, measuring the rate of change from an unstable isotope, to a stable one. This method is a little different ...

PARAKH 2024 Survey Highlights Learning Gaps; Educators Call For Innovative, NEP-Aligned Teaching Methods The inaugural national test under the PARAKH (Performance Assessment, Review and Analysis ...

Many metals are well recognized as a common cause of allergic contact dermatitis, but standard patch testing doesn't include all potential culprits. Which other metals commonly cause reactions?

GMWatch and various experts have consistently called for detection methods, genetic information, and reference materials to be provided by all developers of new GMOs, as required under current EU GMO ...

KUALA LUMPUR, June 17 — As online shopping becomes an increasingly popular way for Malaysians to buy everyday goods, scammers are finding more creative ways to exploit consumer habits and ...

The method comprises the contact of a solution of sulphuric acid containing potassium dichromate with a copper surface. The dichromate anion acts as an oxidizing agent and oxidises the copper ...