ISO 2521:1974 PDF
Tritolyl phosphate for industrial use — Determination of acidity to phenol red — Volumetric method
Open preview (PDF)Tritolyl phosphate for industrial use — Determination of acidity to phenol red — Volumetric methodTitle (English):
ISO 2521:1974
Tritolyl phosphate for industrial use — Determination of acidity to phenol red — Volumetric method
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 2
- Publication date:
- April 1, 1974
- Edition:
- ISO IS 2521 edition 1 version 1
- ICS:
- 71.080.70
Description (English):
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 .
Technical details
- Technical committee
- ISO/TC 47 - Chemistry
- SKU
- ISO 2521:1974
