PH4
Phosphonium Phos*pho"ni*um, n. [Phosphorus + ammonium.] (Chem.) The hypothetical radical {PH4}, analogous to ammonium, and regarded as the nucleus of certain derivatives of phosphine. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Bandar Tun Razak LRT station —  PH4  Bandar Tun Razak LRT station 敦拉萨镇轻快铁站 நகரம் துன் ரசாக் Ampang Line rapid transit station …   Wikipedia

  • Phosphonium salt — A phosphonium salt is a salt containing the phosphonium (PH4+) ion such as phosphonium iodide (PH4+I−). More commonly, phosphonium refer to an organic derivative such as tetraphenylphosphonium chloride, (C6H5)4P+ Cl and tetramethylphosphonium… …   Wikipedia

  • 39791 Jameshesser — Infobox Planet minorplanet = yes width = 25em bgcolour = #FFFFC0 apsis = name = Jameshesser symbol = caption = discovery = yes discovery ref = discoverer = D. D. Balam discovery site = National Research Council of Canada discovered = August 13,… …   Wikipedia

  • phosphonium — The radical, (PR4)+. * * * phos·pho·ni·um fäs fō nē əm n a monovalent cation PH4+ analogous to ammonium and derived from phosphine also an organic derivative of phosphonium (as (C2H5)4P+) * * * phos·pho·ni·um (fos foґne əm) the univalent… …   Medical dictionary

  • Freshwater environmental quality parameters — are the natural and man made chemical, biological and microbiological characteristics of rivers, lakes and ground waters, the ways they are measured and the ways that they change. The values or concentrations attributed to such parameters can be… …   Wikipedia

  • l337 — 1. (l337) (7755↑, 957↓) 17 5 4 (0mpu73r l4ngu4g3. 17 g375 4nn0 /1ng 4f73r 4 wh1l3. 700 b4d 1f u (4n 7 r34d 7h15. if you can read l337, vote one. Author: munkees rulez!!! http://l337.urbanup.com/361825 2. (L337) (1086↑, 236↓) A language invented… …   Urban English dictionary

  • phosphonium — fäˈsfōnēəm noun ( s) Etymology: New Latin, from phosph + onium : a univalent ion PH4+ or radical PH4 analogous to ammonium that is derived from phosphine and is known especially in the form of salts (as phosphonium iodide PH4I) and organic… …   Useful english dictionary

  • Phosphonium — Phos*pho ni*um, n. [Phosphorus + ammonium.] (Chem.) The hypothetical radical {PH4}, analogous to ammonium, and regarded as the nucleus of certain derivatives of phosphine. [1913 Webster] …   The Collaborative International Dictionary of English

  • phosphonium — noun Etymology: New Latin Date: 1871 a monovalent cation PH4+ analogous to ammonium and derived from phosphine; also an organic derivative of phosphonium (as (C2H5)4P+) …   New Collegiate Dictionary

  • Phosphine — Chembox new Name = Phosphine ImageFile = Phosphine.png ImageSize = 100px ImageName = Phosphine ImageFileL1 = Phosphine 3D balls.png ImageSizeL1 = 100px ImageFileR1 = Phosphine 3D vdW.png ImageSizeR1 = 120px IUPACName = Phosphane OtherNames =… …   Wikipedia

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