elemental sulfur

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• Sulfur cycle — Sulfur is one of the constituents of many proteins, vitamins and hormones. It recycles as in other biogeochemical cycles.The essential steps of the sulfur cycle are: * Mineralization of organic sulfur to the inorganic form, hydrogen sulfide:… …   Wikipedia

• Sulfur-reducing bacteria — get their energy by reducing elemental sulfur to hydrogen sulfide. They couple this reaction with the oxidation of acetate, succinate or other organic compounds.Several types of bacteria and many non methanogenic archaea can reduce sulfur.Some… …   Wikipedia

• Sulfur dichloride — Sulfur dichloride …   Wikipedia

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

• 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

• sulfur bacterium — ▪ biology plural  Sulfur Bacteria,         any of a diverse group of microorganisms capable of metabolizing sulfur and its compounds and important in the sulfur cycle (q.v.) in nature. Some of the common sulfur substances that are used by these… …   Universalium

• Sulfur — Eigenschaften …   Deutsch Wikipedia

• Sulfur reductase — In enzymology, a sulfur reductase (EC number|1.97.1.3) is an enzyme that catalyzes the chemical reaction of reduction of elemental sulfur or polysulfide to hydrogen sulfide.This enzyme belongs to the family of oxidoreductases. The systematic name …   Wikipedia

• sulfur ore — noun any ore containing elemental sulfur, or a sulfide from which it may be obtained …   Wiktionary

• Elemental analysis — is a process where a sample of some material (e.g., soil, waste or drinking water, bodily fluids, minerals, chemical compounds) is analyzed for its elemental and sometimes isotopic composition. Elemental analysis can be qualitative (determining… …   Wikipedia

• Allotropes of sulfur — There are a large number of allotropes of sulfur. In this respect, sulfur is second only to carbon.[1] The most common form found in nature is yellow orthorhombic α sulfur, which contains puckered rings of S8.[1] Chemistry students may have seen… …   Wikipedia