Standard No.:	NY/T 1973-2010
English Name:	Water-soluble fertilizers-Determination of water insoluble matter content and pH
Chinese Name:	水溶肥料水不溶物含量和pH值的测定
Chinese Classification:	G20    Basic standards and general methods on chemical fertilizers
Professional Classification:	NY    Professional Standard - Agriculture
Issued by:	Ministry of Agriculture
Issued on:	2010-12-23
Implemented on:	2011-2-1
Status:	superseded
Superseded by:	NY/T 1973-2021 Determination of L-malic acid and D-malic acid in fruits and their derived products.High performance liquid chromatography
Superseded on:	2021-11-1
Superseding:	NY 1428-2007附录G NY/T 1115-2006 Water-soluble fertilizers-Determination of water insoluble matter content
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	40.0
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1 Scope This standard specifies test methods for determination of content and pH of water insoluble matter in water-soluble fertilizers. This standard is applicable to the determination of content and pH of water insoluble matter in liquid or solid water-soluble fertilizers. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the dated versions are applicable to this Standard. For undated references, the latest edition of the normative document (include all the amendments) is applicable to this Standard. GB/T 6682 Water for Analytical Laboratory Use - Specification and Test Methods GB/T 8170 Rules of Rounding off for Numerical Values & Expression and Judgment of Limiting Values HG/T 2843 Chemical Fertilizer Products Standard Volumetric, Standard, Reagent and Indicator Solutions for Chemical Analysis NY/T 887 Density Testing of Liquid Fertilizer 3 Determination of Water Insoluble Matter Content

Foreword I 1 Scope 2 Normative References 3 Determination of Water Insoluble Matter Content 4 pH Determination