Calcium takes the oxygen and chromium takes the sulfate. The calcium oxide washes off but the chromium sulfate causes the etch. Next time you’re at your local space, give this a try.

In Poland, another study examined the mobility of metals such as chromium, copper, nickel, lead, and zinc in acid sulfate soils. The results indicated that these soils could be a source of metal ...

Vishnu Chemicals added 1.14% to Rs 429 after the company's consolidated net profit jumped 65.73% to Rs 34.39 crore in Q3 FY25 compared with Rs 20.75 crore in Q3 FY24.