T/CSEA 24-2022 Crystalline complex salt
T/CSEA 24-2022 Crystalline complex salt
Basic Information
Scope
Main technical content: The physicochemical indicators of crystalline composite salts shall comply with the requirements of Table 1. Table 1: Physicochemical Indicators Item Indicator First-grade product Second-grade product Qualified product Appearance The appearance should be white, slightly yellow, or greenish-white crystals. Whiteness (R457), % ≥75 60 53 Table 1: Physicochemical Indicators (continued) Item Indicator First-grade product Second-grade product Qualified product Sodium chloride-sodium sulfate, % ≥94.00 91.00 88.00 Moisture, % ≤5.00 6.00 7.00 Water-insoluble matter (calcium salts), % ≤0.40 2.00 3.00 Calcium and magnesium ions, % ≤0.60 1.00 2.00 Leachability toxicity The concentrations of harmful components such as total copper, total zinc, total cadmium, and total lead in the leachate shall be lower than those specified in GB 5085.3