Customer Support: 131 242

  • Shopping Cart
    There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

ISO 5275:1979

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

View Superseded by

Aromatic hydrocarbons — Test for presence of mercaptans (thiols) — Doctor test

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

French, English

Published date

01-10-1979

Withdrawn date

09-04-2025

Superseded by

ISO 5275:2003

$142.98
Including GST where applicable

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.

Committee
ISO/TC 28
DocumentType
Standard
Pages
2
PublisherName
International Organization for Standardization
Status
Withdrawn
SupersededBy

$142.98
Including GST where applicable