Standard No.:	NY/T 1974-2010
English Name:	Water - Soluble fertilizers - Determination of copper, iron, manganese, zinc, boron, molybdenum content
Chinese Name:	水溶肥料 铜、铁、锰、锌、硼、钼含量的测定
Chinese Classification:	G20    Basic standards and general methods on chemical fertilizers
Professional Classification:	NY    Professional Standard - Agriculture
Issued by:	MOA
Issued on:	2010-12-23
Implemented on:	2011-2-1
Status:	valid
Superseding:	NY 1428-2007 Water - Soluble Fertilizers Containing Micronutrients
Language:	English
File Format:	PDF
Word Count:	11000 words
Price(USD):	270.0
Delivery:	via email in 1 business day

1 Scope This standard specifies test methods for the determination of copper, iron, manganese, zinc, boron and molybdenum content in water-soluble fertilizers. This standard is applicable to the determination of copper, iron, manganese, zinc, boron and molybdenum content in liquid or solid water-soluble fertilizers. The Appendix A of this standard specifies test methods for simultaneous determination of copper, iron, manganese, zinc, boron and molybdenum content in liquid or solid fertilizers. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies. 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 Copper Content

Foreword I 1 Scope 2 Normative References 3 Determination of Copper Content 4 Determination of Iron Content 5 Determination of Manganese Content 6 Determination of Zinc Content 7 Determination of Boron Content 8 Determination of Molybdenum Content Appendix A (Normative) Water-soluble Fertilizers - Determination of Copper, Iron, Manganese, Zinc, Boron and Molybdenum Content - Plasma Emission Spectroscopy