NY/T 1971-2010: Water-soluble fertilizers - Determination of humic-acids content

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Scope

This standard specifies the test method for the determination of humic-acid content, in
water-soluble fertilizers, by redox titration after acid precipitation.
This standard applies to the determination of humic-acid content in liquid or solid
water-soluble fertilizers.

Basic Data

Standard ID	NY/T 1971-2010 (NY/T1971-2010)
Description (Translated English)	Water-soluble fertilizers - Determination of humic-acids content
Sector / Industry	Agriculture Industry Standard (Recommended)
Classification of Chinese Standard	G20
Classification of International Standard	65.080
Word Count Estimation	6,659
Date of Issue	2010-12-23
Date of Implementation	2011-02-01
Older Standard (superseded by this standard)	NY 1106-2006
Quoted Standard	GB/T 8170; HG/T 2843; NY/T 887
Regulation (derived from)	Ministry of Agriculture Bulletin No. 1515
Issuing agency(ies)	Ministry of Agriculture of the People's Republic of China
Summary	This standard specifies the determination of water-soluble fertilizer humic acid precipitation redox titration test methods. This standard applies to liquid or solid water-soluble fertilizer humic acid content.