Arsenic nitrate is a nonmetallic mineral, and its mineralogy is called saltpeter. Arsenic nitrate has a glassy luster, colorless and transparent, and is shaped like ice. It is deposited in dry salt lakes and also in hot springs.

Arsenic nitrate can be used in papermaking, alkali making, ceramics, rubber, glass and medicine, and it is also the main raw material for textile, printing and dyeing, printing, leather, detergent and other chemical production. It can also be used in food processing industry, making sausages and bacon, or making sodium sulfate, sulfuric acid and alkali sulfide, etc., with extremely wide uses.

Put hydrated lime and quicklime into water, and if it releases heat, it is quicklime.