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 ...

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 ...

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 ...

According to Yermiyahu et al., (26) polyhalite has a higher residual effect on subsequent crops than equivalent Ca, Mg, and S fertilizers. Therefore, it is recommended that future studies assess ...