Standard

NS-EN ISO 5378:1994

Publisert

Rettelser og tillegg kjøpes separat.

Språk
Tjenester

Omfang

Destruction of organic matter by sulphuric acid in the presence of a compound catalyst (see ISO 1871), alkalization of the reaction products, destillation of the liberated ammonia and collection in a sulphuric acid solution, followed by measuring of the ammonium salt formed after the addition of Nessler reagent. The method is provided for contents less than 0,025 % (m/m). For greater contents, see ISO 3188.

Dokumentinformasjon

  • Standard fra SN
  • Publisert:
  • Utgave: 1
  • Versjon: 1
  • Varetype: NAT
  • ICS 67.180.20

Produktrelasjon

  • Adoptert fra: EN ISO 5378:1994 , 0