| 返回：AR级硝酸镁，高纯硝酸镁(图) |
| 执行标准：Q/XYLH 001-2018 |
检验项目
Item of Analysis |
标准值
Standard |
实测值
Result |
含量
Assay |
≥99.0% |
99.1% |
水不溶物
Insoluble in water |
≤0.005% |
<0.005% |
氯化物
Chloride |
≤0.0005% |
0.0003% |
硫酸盐
Sulfate |
≤0.005% |
0.005% |
钙
Calcium |
≤0.02% |
0.006% |
铁
Iron |
≤0.0002% |
0.0001% |
重金属
Heavy metals |
≤0.0005% |
0.0004% |
澄清度试验/号
Transparency of solution |
≤4 |
4 |
|
pH(50g/L,25℃) |
≥4.0 |
4.6 |
|