ISO 2522:1974
$11.05
Tritolyl phosphate for industrial use — Determination of apparent free phenols content — Volumetric method
Published By | Publication Date | Number of Pages |
ISO | 1974-04 | 4 |
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The method specified determines only those phenols capable of reacting at the 2nd, 4th and 6th position (-OH = 1). The procedure consists in extraction of free phenols from a test portion with sodium hydroxide solution. Bromination of these phenols with potassium bromide-bromate solution in an acid medium and determination of the excess bromine after reaction with potassium iodide by titration with standard volumetric sodium thiosulphate solution.
Published Code | ISO |
---|---|
Published By | International Organization for Standardization |
Publication Date | 1974-04 |
Pages Count | 4 |
Language | English |
Edition | 1 |
File Size | 184.3 KB |
ICS Codes | 71.080.70 - Esters |
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