ISO-4316 › Surface active agents -- Determination of pH of aqueous solutions -- Potentiometric method
ISO-4316
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1ST EDITION
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CURRENT
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The determination is carried out in the following way: Potentiometric measurement of the potential difference between a glass electrode and a reference electrode dipping in an aqueous solution of the sample. This method is only applicable when so indicated in the specific standard for each product.
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71.100.40 (Surface active agents)
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Document Number
ISO 4316:1977
Revision Level
1ST EDITION
Status
Current
Publication Date
Aug. 1, 1977
Committee Number
ISO TC 91