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400 international units of vitamin E; 15 milligrams of beta-carotene (or 25,000 international units of vitamin A); 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.
Rouge/crocus/colcothar – ferric oxide, formed by burning green vitriol in air. Stibnite – antimony or antimony trisulfide, ore of antimony. Turpeth mineral – hydrolysed form of mercury(II) sulfate. Verdigris – Carbonate of Copper or (more recently) copper(II) acetate. The carbonate is formed by weathering copper.
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.
Copper(I) fluoride – CuF; Copper(I) oxide – Cu 2 O; Copper(I) sulfate – CuSO 4; Copper(I) sulfide – Cu 2 S; Copper(II) azide – Cu(N 3) 2; Copper(II) borate – Cu 3 (BO 3) 2; Copper(II) carbonate – CuCO 3; Copper(II) chloride – CuCl 2; Copper(II) hydroxide – Cu(OH) 2; Copper(II) nitrate – Cu(NO 3) 2; Copper(II) oxide – CuO ...
The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. 25 °C, 298.15 K). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate.
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Units of solubility are given in grams of substance per 100 ... Zinc nitrate: Zn ... ZnC 2 O 4 ·2H 2 O: 1.38×10 −9: Zinc oxide: ZnO: 4.20×10 −4: Zinc ...
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