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
