二 MONOPOTASSIUM PHOSPHATE
质量指标 | Specification | GB 1886.337-2021 | FCC VII |
Content (On dry basis),w/% ≥ | 98.0 | 98.0 | |
Arsenic (As),mg/kg ≤ | 3.0 | 3.0 | |
Fluorides (as F),mg/kg ≤ | 10.0 | 10.0 | |
Heavy metal (as Pb),mg/kg ≤ | 10 | ———— | |
Insoluble substances,w/% ≤ | 0.2 | 0.2 | |
Lead (Pb),mg/kg ≤ | 2.0 | 2.0 | |
Loss on drying,w/% ≤ | 1.0 | 1.0 | |
pH值(10g/L溶液) | pH value (10g/L Solution ) | 4.2-4.7 | 4.2-4.7 |