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ISO 4314:1977 (R2022)
Surface active agents — Determination of free alkalinity or free acidity — Titrimetric method
Summary
The determination is carried out in the following way: Titration of an ethanolic or propanolic solution of the product with a standard volumetric potassium hydroxide or hydrochloric acid or sulphuric acid solution whichever is appropriate, in the presence of phenolphthalein as indicator.
Notes
90.93 : Norme internationale confirmée
Technical characteristics
| Publisher | International Organization for Standardization (ISO) |
| Publication Date | 02/01/1977 |
| Confirmation Date | 08/30/2022 |
| Edition | 1 |
| Page Count | 2 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
01/02/1977
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