phosphonic acid

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phosphonic acid

[fä′sfän·ik ′as·əd]
(organic chemistry)
ROP(OH)2, where R is an organic radical such as C6H5-, as in phenylphosphonic acid.
References in periodicals archive ?
Perfluorinated phosphonic acids in Canadian surface waters and wastewater treatment plant effluent: discovery of a new class of perfluorinated acids.
It comprises, on a weight basis, one to 30% of an acidic material selected from the group consisting of sulfonic acids, phosphonic acids, phosphoric acids and combinations thereof; together with 10-80% of an organic solvent selected from the group consisting of alcohols, ethers, ketones, aldehydes, esters and combinations thereof.
The anionic oxhydril collectors, listed under the trade name Flotinor[R], include alkyl sulphates and sulphonates as well as alkyl and aryl phosphates, phosphonic acids and a large number of special products such as aminocarboxylic acids, sulpho-succinates and sulphosuccinamates.