Heavy metals naturally occur in the Earth's crust, but human activities can increase their concentration in the environment, ...

Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered ...

The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But ...

Biochar, a form of charcoal produced by heating agri waste without oxygen, is being studied as a potential tool for cleaning up chromium ...

A special form of charcoal is highly effective at absorbing toxic chromium and transforming it to a safer form.

Researchers at the University of Waterloo have found that a special type of charcoal, known as biochar, can remove toxic ...

Researchers have proposed using polymer membranes modified with copper, zinc, and chromium metal ions for water purification. These polymers were used for the first time in water purification via ...

One feature of compounds made with transition metals is their intense colour. There are many examples in nature, including ...

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Emkay Global Financial is bullish on Vishnu Chemicals has recommended buy rating on the stock with a target price of Rs 600 ...