GB/T 10513-2012
Determination of free water for nitrophosphate.Karl fischer method (English Version)

Standard No.

GB/T 10513-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

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

Latest

GB/T 10513-2012

Replace

GB/T 10513-1989

Scope

This standard stipulates the determination of free water content in nitrophosphate fertilizer and potassium nitrate fertilizer by Karl Fischer method. This standard applies to the determination of free water content in nitrophosphate fertilizers and potassium nitrate fertilizers produced by various processes.

GB/T 10513-2012 Referenced Document

• GB/T 10511-2008 Determination of tatal nitrogen content for nitrophosphate.Titrimetric method after distillation
• GB/T 6283 Chemical products.Determination of water Karl.fischer method(general method)
• HG/T 2843 Chemical fertilezer products-standard volumetrie,standard,reagent and indicator solutions for chemical analysis

GB/T 10513-2012 history

• 2012 GB/T 10513-2012 Determination of free water for nitrophosphate.Karl fischer method
• 1989 GB/T 10513-1989 The determination of water content for nitrophosphate--Karl Fischer method