104873 磷酸二氫鉀分析純
| Assay (alkalimetric, calculated on dried substance) | 99.5 - 100.5 % |
| Assay (alkalimetric; dried substance) | ≥ 99.5 % |
| pH-value (5?%; water) | 4.2 - 4.5 |
| Chloride (Cl) | ≤ 0.0005 % |
| Sulfate (SO?) | ≤ 0.003 % |
| Total nitrogen (N) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.0010 % |
| As (Arsenic) | ≤ 0.0002 % |
| Cu (Copper) | ≤ 0.0003 % |
| Fe (Iron) | ≤ 0.0010 % |
| Na (Sodium) | ≤ 0.02 % |
| Pb (Lead) | ≤ 0.001 % |
| Reducing substances | passes test |
| Loss on drying (110?°C) | ≤ 0.2 % |
| Loss on drying (130?°C) | ≤ 0.2 % |
| Correspons to ISO | |
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