What is a Cadmium (Cd) ?

Cadmium (Cd) is a chemical element with atomic number 48. It is a soft, silver-white metal known for its stability and resistance to acids and alkalis. Cadmium occurs naturally in trace amounts in zinc and lead ores, but it is primarily obtained as a byproduct during zinc refining.

Cadmium is used in various applications, including nickel-cadmium (NiCd) batteries, pigments (cadmium yellow and cadmium red), and metal plating. However, it is highly toxic, posing significant health risks. Inhalation or ingestion can lead to kidney and lung damage, and chronic exposure can cause bone brittleness and cancer. Due to its toxicity, cadmium use is strictly regulated to minimize environmental and health risks.

Cadmium can spread in the environment, contaminating soil and water sources, making waste disposal and recycling practices crucial.

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