GB/T 8577-2010
Determination of free water for compound fertilizers.Karl Fischer method (English Version)

Standard No.

GB/T 8577-2010

Language

Chinese, Available in English version

Release Date

2010

Published By

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

Latest

GB/T 8577-2010

Replace

GB/T 8577-2002

Scope

This standard specifies the method of extracting free water in fertilizers with dioxane and then titrating with Karl Fischer reagent to determine the content of free water in compound fertilizers.

GB/T 8577-2010 Referenced Document

• GB/T 6283 Chemical products.Determination of water Karl.fischer method(general method)
• GB/T 8571 Preparation of laboratory samples for compound fertilizers
• HG/T 2843 Chemical fertilezer products-standard volumetrie,standard,reagent and indicator solutions for chemical analysis

GB/T 8577-2010 history

• 2010 GB/T 8577-2010 Determination of free water for compound fertilizers.Karl Fischer method
• 1987 GB 8577-1988 Determination of Swimming Water Content in Compound Fertilizer by Karl Fischer Method