sodium sulfides

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• Sodium sulfide — Other names Disodium sulfide Identifiers …   Wikipedia

• Sodium hydrosulfide — IUPAC name Sodium hydrosulfide …   Wikipedia

• sodium nitroprusside — noun : a red crystalline salt Na2[Fe(CN)5NO].2H2O made usually by reaction of a ferrocyanide and nitric acid or of a ferricyanide and nitrous acid and used chiefly in testing for sulfides with which it forms a violet color in alkaline solution;… …   Useful english dictionary

• Nikolay Zinin — Nikolay Nikolaevich Zinin Born 25 August 1812(1812 08 25) Shusha, Russian Empire Died 18 February 1880( …   Wikipedia

• metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium

• organosulfur compound — ▪ chemical compound Introduction also spelled  organosulphur compound , also called  organic sulfur compound   a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… …   Universalium

• Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine …   Wikipedia

• Hydrogen sulfide — Systematic name …   Wikipedia

• chemical element — Introduction also called  element,         any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed.       This article considers the… …   Universalium

• sulfur — /sul feuhr/, n. 1. Also, esp. Brit., sulphur. Chem. a nonmetallic element that exists in several forms, the ordinary one being a yellow rhombic crystalline solid, and that burns with a blue flame and a suffocating odor: used esp. in making… …   Universalium

• mineral deposit — Introduction       aggregate of a mineral in an unusually high concentration.       About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… …   Universalium