T/BYXT 061-2023 Rare Earth Foliar Fertilizer

Scope

Scope: This document specifies the terminology definitions, technical requirements, test methods, inspection rules, labeling, packaging, transportation and storage, and sales and services for rare earth foliar fertilizers. This document is applicable to the production and sales of rare earth foliar fertilizers; Main technical content: 4 Technical requirements 4.1 Basic requirements The basic requirements such as product model and name shall comply with the requirements of Table 1. Table 1 Basic requirements Product model Product name RE-FF-01a Rare earth amino acid chelated iron functional fertilizer RE-FF-02 Rare earth amino acid chelated copper functional fertilizer RE-FF-03 Rare earth amino acid chelated zinc functional fertilizer RE-FF-04 Rare earth amino acid chelated trace element fertilizer a The product model shall be expressed in accordance with GB/T 17803. The first layer shall be represented by the abbreviation "RE" for rare earth; the second layer shall be "FF" for foliar fertilizer, which is an abbreviation of the English name "Foliar Fertilizer"; and the third layer shall be "01-04" for the serial number, indicating the product's chelated trace element classification number. 4.2 Appearance requirements A uniform suspension liquid. 4.3 Physical and chemical requirements The physical and chemical indicators shall comply with the requirements of Table 2. Table 2 Physical and chemical indicators Item Indicator RE-FF-01 RE-FF-02 RE-FF-03 RE-FF-04 Rare earth elements (calculated as lanthanum cerium oxide), g/L 2.5±1.0 Free amino acid content, g/L ≥100 Trace element chelates Iron content, g/L ≥30/≥20 Copper content, g/L ≥30/≥0.5 Zinc content, g/L //≥30≥5 Calcium content, g/L //≥5 Magnesium content, g/L //≥5 Water-insoluble matter content, g/L ≤50 pH (1:250 dilution) 3.0-9.0 4.4 Limit requirements for heavy metal content The limit requirements for mercury, arsenic, ca

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