ISO 5275:1979
Aromatic hydrocarbons — Test for presence of mercaptans (thiols) — Doctor test
Reference number
ISO 5275:1979
Edición 1
1979-10
© ISO 2024
Retirada
Retirada (Edición 1, 1979)

Resumen

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.

Informaciones generales

  • Estado
     : Retirada
    Fecha de publicación
     : 1979-10
    Etapa
    : Retirada de la Norma Internacional [95.99]
  • Edición
     : 1
    Número de páginas
     : 2
  • Comité Técnico :
    ISO/TC 28
    ICS :
    71.080.15 
  • RSS actualizaciones

Ciclo de vida

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

  2. Tienda
  3. Standards catalogue
  4. ICS
  5. 71
  6. 71.080
  7. 71.080.15
  8. ISO 5275:1979