详情介绍
项目 | 标准 |
含量 | 98.5%~101.0% |
酸度pH | 5.5~7.0 |
透光率 | ≥98.0% |
干燥失重 | ≤0.20% |
灼烧残渣 | ≤0.10% |
重金属[Pb] | ≤10ppm |
氯化物[Cl-] | ≤0.02% |
铁盐[Fe] | ≤10ppm |
砷盐[As] | ≤1ppm |
硫酸盐[SO42-] | ≤0.02% |
铵盐[NH4+] | ≤0.02% |