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ISO 5282:1982

Current
Current

The latest, up-to-date edition.

Aromatic hydrocarbons — Determination of sulphur content — Pitt-Ruprecht reduction and spectrophotometric method
Available format(s)

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

Language(s)

English, French

Published date

01-01-1982

Relates to products boiling below 200 °C. Directly applicable to contents of 0.1 mg/kg to 30 mg/kg. Higher contents may be determined by a suitable dilution of the sample. Alkylsulphones, arylsulphonic acids and arylsulphonates give incomplete recovery of sulphur. Reduction of the sulphur compounds to nickel sulphide with Raney nickel. Stripping of the hydrogen sulphide in hydrochloric acid medium and absorption in an alkaline zinc acetate solution. Formation of methylene blue with N,N-dimethyl-p-phenylenediamine sulphate and iron(III) ammonium sulphate. Determination of the absorbance of the blue coloured solution at a wavelength of 667 nm.

Committee
ISO/TC 47
DocumentType
Standard
Pages
6
PublisherName
International Organization for Standardization
Status
Current

Standards Relationship
BS 135; 458; 805:1977 Similar to

EN 12759 : 2001 RUBBER- OR PLASTIC-COATED FABRICS - DETERMINATION OF RESISTANCE TO LIQUIDS
BS 903-A16:1987 Physical testing of rubber Determination of the effect of liquids
I.S. ISO 1817:1986 RUBBER, VULCANIZED - DETERMINATION OF THE EFFECT OF LIQUIDS
ISO 6450:2005 Rubber- or plastics-coated fabrics Determination of resistance to liquids
BS EN 12759:2001 Rubber- or plastic-coated fabrics. Determination of resistance to liquids

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