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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.
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]
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 ...
Catalytic hydrogenation using platinum(IV) oxide (PtO 2) [23] or Raney nickel [24] Iron metal in refluxing acetic acid [25] Samarium diiodide [26] Raney nickel, platinum on carbon, or zinc dust and formic acid or ammonium formate [6] α,β-Unsaturated nitro compounds can be reduced to saturated amines by: Catalytic hydrogenation over palladium ...
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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]
People looking to save money for a big trip or financial investment may want to make plans around an "extra" paycheck in their pocket.. Employees who get paid on a biweekly basis (every other week ...
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