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80 milligrams of the dietary mineral zinc, in the form of zinc oxide; and; two milligrams of copper as cupric oxide, added to prevent copper deficiency anemia, a condition associated with high levels of zinc intake. Bausch & Lomb was a collaborator in the study. [2]
For example, comparing the potentials for zinc (-0.75 V) with those of iron (Fe(II) -0.47 V, Fe(III) -0.06 V) it is seen that iron ions are more easily reduced than zinc ions. This is the basis for using zinc to provide anodic protection for large structures made of iron or to protect small structures by galvanization.
Devarda's alloy (CAS # 8049-11-4) is an alloy of aluminium (44% – 46%), copper (49% – 51%) and zinc (4% – 6%).. Devarda's alloy is used as reducing agent in analytical chemistry for the determination of nitrates after their reduction to ammonia under alkaline conditions.
Dinitrogen pentoxide (nitronium nitrate) – N 2 O 5; Dinitrogen tetrafluoride – N 2 F 4; Dinitrogen tetroxide – N 2 O 4; Dinitrogen trioxide – N 2 O 3; Nitric acid – HNO 3; Nitrous acid – HNO 2; Nitrogen dioxide – NO 2; Nitrogen monoxide – NO; Nitrous oxide (dinitrogen monoxide, laughing gas, NOS) – N 2 O; Nitrogen ...
Philosophers' wool/nix alba (white snow)/Zinc White – zinc oxide, formed by burning zinc in air, used as a pigment; Plumbago – a mineral, graphite; not discovered in pure form until 1564; Powder of Algaroth – antimony oxychloride, formed by precipitation when a solution of butter of antimony and spirit of salt is poured into water.
Zinc chloride is a common ingredient in mouthwashes and deodorants, and zinc pyrithione is an ingredient in antidandruff shampoos. Galvanized (zinc-coated) fittings on roofs impede the growth of algae. Copper- and zinc-treated shingles are available. [15] Zinc iodide and zinc sulfate are used as topical antiseptics. [28]
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The sulfide is water-soluble and easily reacted to form pure barium sulfate, used for commercial pigments, or other compounds, such as barium nitrate. These in turn are calcined into barium oxide, which eventually yields pure barium after reduction with aluminum. [61]
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