Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A univalent cation, PH4+, derived from phosphine.
from The Century Dictionary.
- noun A hypothetical compound, analogous to ammonium, formed by the union of four atoms of hydrogen and one of phosphorus (PH4).
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) The hypothetical radical PH4, analogous to ammonium, and regarded as the nucleus of certain derivatives of phosphine.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry the
tetravalent positively -charged phosphorus cation R4P+
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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When cotton sleepwear has been treated with flame retardants, this typically is done with tetrakis hydroxymethyl phosphonium THP salts, which are said to be both effective and safe from a general health stand-point.
HOME COMFORTS CHERYL MENDELSON 2005
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When cotton sleepwear has been treated with flame retardants, this typically is done with tetrakis hydroxymethyl phosphonium THP salts, which are said to be both effective and safe from a general health stand-point.
HOME COMFORTS CHERYL MENDELSON 2005
-
When cotton sleepwear has been treated with flame retardants, this typically is done with tetrakis hydroxymethyl phosphonium THP salts, which are said to be both effective and safe from a general health stand-point.
HOME COMFORTS CHERYL MENDELSON 2005
-
When cotton sleepwear has been treated with flame retardants, this typically is done with tetrakis hydroxymethyl phosphonium THP salts, which are said to be both effective and safe from a general health stand-point.
HOME COMFORTS CHERYL MENDELSON 2005
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The phosphonium salts are of but little importance.
An Elementary Study of Chemistry William McPherson
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Thus we have phosphonium chloride (PH_ {4} Cl) analogous to ammonium chloride
An Elementary Study of Chemistry William McPherson
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If a small quantity of water is used, a larger deposit of yellow phosphorus is formed, together with a considerable quantity of phosphonium iodide.
Scientific American Supplement, No. 841, February 13, 1892 Various
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In one of their recent studies, to be presented this coming week at the AIChE annual meeting, the team synthesized and prepared a quaternary-phosphonium functionalized hydroxide exchange membrane (TPQPOH152) with typical thickness of 50-100 µm.
Green Car Congress 2009
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Yan and his group switched from the QAOH to the quaternary-phosphonium-hydroxide (QPOH), opening up the potential to solve the low hydroxide-conductivity problem and thus improve the HEMFC performance drastically.
Green Car Congress 2009
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The researchers suggest that the high hydroxide-conductivity and high-performance of HEMFC indicate that the quaternary-phosphonium functionalized TPQPOH152
Green Car Congress 2009
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