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Organic reactions machine-readable reaction schemes "ORD" [8] 2,000,000 OrgSyn Organic Syntheses: Organic Syntheses, Inc. Reliable chemical reactions Searchable experimental procedures Peer reviewed "OrgSyn search". PDB PDBe Protein Data Bank in Europe EMBL-EBI: has some chemicals as well as proteins "PDBe". PATENTSCOPE: WIPO "PATENTSCOPE ...
Organophosphorus chemistry is the scientific study of the synthesis and properties of organophosphorus compounds, which are organic compounds containing phosphorus. [1] They are used primarily in pest control as an alternative to chlorinated hydrocarbons that persist in the environment.
Organophosphate flame retardants are part of a wider family of phosphorus-based agents which include organic phosphonate and phosphinate esters, in addition to inorganic salts. [ 56 ] [ 57 ] When some prominent brominated flame retardant were banned in the early 2000s phosphorus-based agents were promoted as safer replacements.
Phase behavior Triple point? K (? °C), ? Pa Critical point: 271 K (−2 °C), 42.7 atm Std enthalpy change of fusion, Δ fus H o? kJ/mol Std entropy change
The Phosphoria includes phosphorite beds that are an important source of phosphorus. [5] Many of its shales are rich in organic matter and are petroleum source rocks , [ 6 ] and some of its dolomites include petroleum reservoirs .
From this source with some modifications and additions of later data: W.S. Fyfe, Geochemistry, Oxford University Press, (1974). Further referring to: C.K. Jorgensen, Comments Astrophys. 17, 49–101 (1993). Values are subject to various geological assumptions but assumed acceptable as an indication of elemental abundance in crustal rocks (C3).
It is immediately south of the larger city and county seat of Fairmont, West Virginia. The city is also adjacent to the Tygart Valley River. According to the United States Census Bureau, the city has a total area of 3.41 square miles (8.83 km 2), of which 3.23 square miles (8.37 km 2) is land and 0.18 square miles (0.47 km 2) is water. [8]
Phosphate minerals are minerals that contain the tetrahedrally coordinated phosphate (PO 3− 4) anion, sometimes with arsenate (AsO 3− 4) and vanadate (VO 3− 4) substitutions, along with chloride (Cl −), fluoride (F −), and hydroxide (OH −) anions, that also fit into the crystal structure.