ISO 2521:1974
Tritolyl phosphate for industrial use — Determination of acidity to phenol red — Volumetric method
Tritolyl phosphate for industrial use — Determination of acidity to phenol red — Volumetric method
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Tritolyl phosphate for industrial use — Determination of acidity to phenol red — Volumetric method
Specifies the titration of any acidity present in an ethanolic solution with standard volumetric sodium hydoxide solution in the presence of phenol red as indicator. The end point of the titration corresponds to the formation of the salt Na2 HPO4 .
| Edition | 1974 |
|---|---|
| Published Date | 1974 |
| Published By | International Standardization Organisation |
| Page Count | 2 |