| CAS号 | 631-61-8 |
| 保质期 | 18个月 |
| 供应商 | 江苏科伦多食品配料有限公司 |
| 保存条件 | 干燥通风 |
| 规格 | 量大从优 |
| 质量指标 | Specification | 试剂级(GB/T 1292-2008) | ||
| 优级纯 | 分析纯 | 化学纯 | ||
| 含量(CH3COONH4),w/% ≥ | Content(CH3COONH4),w/% ≥ | 98.0 | 98.0 | 97.0 |
| pH值(50g/L,25℃) | pH value(50g/L,25℃) | 6.7-7.3 | 6.5-7.5 | 6.5-7.5 |
| 澄清度实验/号 ≤ | Clarity Test/No ≤ | 2 | 3 | 5 |
| 水不溶物,w/% ≤ | Insoluble Substances,w/% ≤ | 0.002 | 0.005 | 0.01 |
| 灼烧残渣(以硫酸盐计),w/% ≤ | Ignition Residue, w/% ≤ | 0.005 | 0.005 | 0.01 |
| 水分(H2O),w/% ≤ | Moisture ,w/% ≤ | 2.0 | ———— | ——— |
| 氯化物(Cl),w/% ≤ | Chlorides (Cl),w/%≤ | 0.0005 | 0.0005 | 0.001 |
| 硫酸盐(SO4),w/% ≤ | Sulfates(SO4),w/% ≤ | 0.001 | 0.002 | 0.005 |
| 硝酸盐(NO3),w/% ≤ | Nitrates(NO3),w/% ≤ | 0.001 | 0.001 | ——— |
| 磷酸盐(PO4),w/% ≤ | Phosphates (PO4),w/%≤ | 0.0003 | 0.0005 | ——— |
| 镁(Mg),w/% ≤ | Magnesium (Mg),mg/kg ≤ | 0.0002 | 0.0004 | 0.001 |
| 钙(Ca),w/% ≤ | Calcium(Ca),w/% ≤ | 0.0005 | 0.001 | 0.002 |
| 铁(Fe),w/% ≤ | Iron (Fe),w/% ≤ | 0.0002 | 0.0005 | 0.001 |
| 重金属(以Pb计),w/% ≤ | Heavy metals (Pb).w/% ≤ | 0.0002 | 0.0005 | 0.001 |
| Reduction of Potassium Permanganate,w/%≤ | 0.0016 | 0.0032 | 0.0032 | |