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sklademVydáno: 1977
ISO 4316:1977
ISO 4316:1977-Surface active agents — Determination of pH of aqueous solutions — Potentiometric method
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| Označení normy: | ISO 4316:1977 |
| Počet stran: | 2 |
| Vydání: | 1 |
| Vydáno: | 1977 |
DESCRIPTION
ISO 4316:1977
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.