0 Items
My account
Phone: (011) 7541-421, 3409-301, 3409-335, 6547-293, 3409-310
E-mail: Standards sales: prodaja@iss.rs Education: iss-edukacija@iss.rs Information about standards: infocentar@iss.rs
Stevana Brakusa 2, 11030 Beograd
Main menu

SRPS EN ISO 5378:2008

Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophotometric method (ISO 5378:1978)

Apr 23, 2008
Apr 23, 2008

General information

90.93     Oct 13, 1999

ISS

E034-4

European Norm

67.180.20  

Serbian  

Buying

Published

Language in which you want to receive the document.

Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
SRPS ISO 5378:2002

NOW

PUBLISHED
SRPS EN ISO 5378:2008
90.93 Standard confirmed
Oct 13, 1999

Related project

Adopted from EN ISO 5378:1994

Adopted from ISO 5378:1978 IDENTICAL