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ISO 5275:1979

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

Standard Details

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.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: ISO 5275:1979
Document Year: 1979
Pages: 2
Edition: 1
  • Section Volume:
  • ISO/TC 28. Petroleum and related products, fuels and lubricants from natural or synthetic sources

Life Cycle

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WITHDRAWN
ISO 5275:1979
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