质量指标 | Specification | GB25588-2010 |
含量(以灼烧后计)(K2CO3),% ≥ | Content | 99.0 |
砷 , % ≤ | Arsenic (as As) | 0.0003 |
硫化合物(以K2SO4计),% ≤ | Sulfur | 0.01 |
铁(Fe),% ≤ | Iron | 0.0010 |
重金属(以Pb计),% ≤ | Pb | 0.002 |
水不溶物,% ≤ | Insoluble in Water | 0.02 |
氯化物(以KCl计),% ≤ | Chlorides | 0.01 |
灼烧失量 , % ≤ | Loss on Ignition | 0.60 |