GB/T 2947-2002
Determination of free water in urea and ammonium nitrate by karl fischer method (English Version)

Standard No.

GB/T 2947-2002

Language

Chinese, Available in English version

Release Date

2002

Published By

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

Latest

GB/T 2947-2002

Replace

GB/T 2947-1982

Scope

This standard stipulates that the free water content in industrial urea and ammonium nitrate should be determined by the Karl Fischer method, and the Karl Fischer reagent containing pyridine should be used in the arbitration.

GB/T 2947-2002 history

• 2002 GB/T 2947-2002 Determination of free water in urea and ammonium nitrate by karl fischer method
• 1982 GB 2947-1982 Determination of moisture in urea and ammonium nitrate by Karl Fischer method