ISO 5274:1979 PDF
Aromatic hydrocarbons — Acid-wash test
Title (English):
ISO 5274:1979
Aromatic hydrocarbons — Acid-wash test
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 2
- Publication date:
- July 1, 1979
- Edition:
- ISO IS 5274 edition 1 version 1
- ICS:
- 71.080.15
Description (English):
Specifies an acid washing test. Gives some indication of the degree of refining but does not give a precise measure of the amount of unsaturated compounds present as different unsaturated compounds produce different colourations with sulphuric acid. Shaking together of equal volumes of the sample and 95 % (m/m) sulphuric acid. Comparison of the colour of the acid layer with that of standard matching solutions.
Technical details
- Technical committee
- ISO/TC 47 - Chemistry
- SKU
- ISO 5274:1979
