含量 | 99.0%~101.0% |
钾(以K计,原子吸收法) | 17.0%~21.0% |
干燥失重(105℃,2h) | ≤1.0% |
1%溶液pH值 | 6.5~7.5 |
硫酸盐 | ≤0.1% |
As | ≤0.0003% |
重金属 | ≤0.001% |
铅 | ≤0.0001% |
氟化物 | ≤0.003% |
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含量 | 99.0%~101.0% |
钾(以K计,原子吸收法) | 17.0%~21.0% |
干燥失重(105℃,2h) | ≤1.0% |
1%溶液pH值 | 6.5~7.5 |
硫酸盐 | ≤0.1% |
As | ≤0.0003% |
重金属 | ≤0.001% |
铅 | ≤0.0001% |
氟化物 | ≤0.003% |