GB/T 12091-1989
Method for determination of nitrogen content in starches and derived products (English Version)

Standard No.

GB/T 12091-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2009-03

Replace By

GB/T 22427.10-2008

Latest

GB/T 22427.10-2008

Scope

This standard specifies the method for determining the nitrogen content of starch and its derivatives by Kjeldahl titration, which is applicable to samples of starch and its derivatives with a nitrogen content greater than 0.01% (m/m); specifies the method for the determination of starch and its derivatives by spectrophotometry The nitrogen content method is applicable to starch and its derivative samples with a nitrogen content less than 0.025% (m/m).

GB/T 12091-1989 history

• 2008 GB/T 22427.10-2008 Starches and derived products.Determination of nitrogen content
• 1989 GB/T 12091-1989 Method for determination of nitrogen content in starches and derived products

GB/T 12091-1989 Method for determination of nitrogen content in starches and derived products was changed to GB/T 22427.10-2008 Starches and derived products.Determination of nitrogen content.