GB/T 8577-2010: Determination of free water for compound fertilizers -- Karl Fischer method

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Scope

This Standard specifies the determination of free water content for compound fertilizers
by the method of using dioxane to extract the free water from the fertilizer and then
using the Karl Fischer reagent to titrate.

Basic Data

Standard ID	GB/T 8577-2010 (GB/T8577-2010)
Description (Translated English)	Determination of free water for compound fertilizers -- Karl Fischer method
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G20
Classification of International Standard	65.080
Word Count Estimation	5,581
Date of Issue	2010-09-26
Date of Implementation	2011-03-01
Older Standard (superseded by this standard)	GB/T 8577-2002
Quoted Standard	GB/T 6283; GB/T 8571; HG/T 2843
Regulation (derived from)	National Standard Approval Announcement 2010 No.6 (Total No.161)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the Karl Fischer reagent titration methods. Determination of water content in compound fertilizer blending tour.