T/JQDATB 008-2024 Water-soluble fertilizer

Scope

Scope: This standard specifies the product classification, requirements, test methods, inspection rules, labeling, packaging, transportation, and storage of water-soluble fertilizers. This standard applies to water-soluble fertilizers that are mainly composed of macronutrients, micronutrients, and other safe and effective additives such as amino acids, humic acid, fulvic acid, alginic acid, organic matter, DMPP (3,4-dimethylpyridine phosphate), or their combinations, and are processed into water-soluble fertilizers. Main technical content: 5.2 General technical indicators The requirements for general technical indicators of the product shall comply with the requirements of Table 1, and shall also comply with the marked values on the packaging label. Table 1 Item Solid product Liquid product Product category Class I Class II Class III Class IV Class I Class II Class III Class IV Water-insoluble matter content a≤0.5% ≤1.0% ≤3.0% ≤5.0% ≤5g/L ≤10g/L ≤30g/L ≤50g/L Urethane diurea content b≤0.9% Nitrate nitrogen content c≥0.5% Chloride ion content dProducts not labeled "chlorine-containing": ≤3.0% ≤30g/L Products labeled "chlorine-containing (low chlorine)": ≤15.0% ≤150g/L Products labeled "chlorine-containing (medium chlorine)": ≤30.0% ≤300g/L Thallium (Tl) content ≤2.5mg/kg Mercury (Hg) content ≤5mg/kg Arsenic (As) content ≤10mg/kg Cadmium (Cd) content ≤10mg/kg Lead (Pb) content ≤50mg/kg Chromium (Cr) content ≤50mg/kg Other safe and effective additives e≥Marked value a The product label shall indicate the water-insoluble matter content. b If the product raw material does not contain urea, this item shall not be tested. c If the product is labeled "containing nitrate nitrogen", this item shall be tested. d For products with chloride ion content greater than 30.0% or 300g/L, the product shall be labeled "chlorine-containing (high chlorine)". For products labeled "chlo

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