0543-4832366
| 名称 | 《GB1260-2008》 基准试剂 | 《HG/T2890-2011》 | |
| 分析纯 | 化学纯 | ||
| 含量(Zn0)w/% | 99.95-100.05 | ≥99.0 | ≥99.0 |
| 澄清度实验/号 | ≤2 | ≤3 | ≤5 |
| 稀硫酸不溶物w/% | —— | ≤0.01 | ≤0.02 |
| 游离碱 | 合格 | 合格 | 合格 |
| 氯化物(CI)w/% | ≤0.001 | ≤0.001 | ≤0.005 |
| 硫化合物(以SO4计)w/% | ≤0.005 | ≤0.01 | ≤0.02 |
| 硝酸盐(NO4)w/% | ≤0.003 | ≤0.003 | ≤0.005 |
| 砷(As)w/% | —— | ≤0.00005 | ≤0.0002 |
| 钠(Na)w/% | —— | ≤0.05 | ≤0.10 |
| 镁(Mg)w/% | ≤0.002 | ≤0.005 | ≤0.01 |
| 钾(K)w/% | —— | ≤0.01 | 0.02 |
| 钙(Ca)w/% | ≤0.005 | 0.005 | ≤0.01 |
| 锰(Mn)w/% | —— | ≤0.0005 | ≤0.001 |
| 铁(Fe)w/% | ≤0.0005 | ≤0.0005 | ≤0.0025 |
| 铅(Pb)w/% | ≤0.003 | ≤0.005 | ≤0.05 |
| 还原高锰酸钾物质(以O计)w/% | ≤0.0016 | ≤0.002 | ≤0.004 |