ISO 5274:1979
Aromatic hydrocarbons; Acid-wash test
- Standard No.
- ISO 5274:1979
- Release Date
- 1979
- Published By
- International Organization for Standardization (ISO)
- Status
- 2002-05
- Latest
- ISO 5274:1979
- Scope
- 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.
ISO 5274:1979 history
- 1979 ISO 5274:1979 Aromatic hydrocarbons; Acid-wash test
