ISO 5275:1979 PDF
Aromatic hydrocarbons — Test for presence of mercaptans (thiols) — Doctor test
Title (English):
ISO 5275:1979
Aromatic hydrocarbons — Test for presence of mercaptans (thiols) — Doctor test
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 2
- Publication date:
- October 1, 1979
- Edition:
- ISO IS 5275 edition 1 version 1
- ICS:
- 71.080.15
Description (English):
Specifies the detection of thioalcohols. Hydrogen sulphide can also be detected by the test. Inapplicable in the presence of only traces of peroxides. Shaking of a test portion with sodium plumbite solution (Doctor solution) and observation of the mixture. From its appearence, the presence of thioalcohols, hydrogen sulphide, peroxides or elemental sulphur can be deduced. Confirmation by the addition of sulphur, shaking and observation of the appearance of the final mixture.
Technical details
- Technical committee
- ISO/TC 28 - Petroleum and related products, fuels and lubricants from natural or synthetic sources
- SKU
- ISO 5275:1979
