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无水碳酸钠sodiumcarbonateanhydrous
| 项目(item) |
分析纯(a.r.) |
化学纯(c.p.) |
| 含量(assay)(na2c03)/% |
≥99.8 |
≥99.8 |
| 澄清度试验(claritytest) |
合格(qualified) |
合格(qualified) |
| 水不溶物/(waterinsolubles)/% |
≤0.01 |
≤0.02 |
| 干燥失重(dryingloss)(300οc)/% |
≤1.0 |
≤1.0 |
| 氯化物(chlorides)(cl)/% |
≤0.002 |
≤0.005 |
| 硫化合物(sulphoniumcompounds)(ass04)/% |
≤0.005 |
≤0.01 |
| 氮化合物(nitrogencompounds)(asn)/% |
≤0.001 |
≤0.002 |
| 磷酸盐及硅酸盐(phosphatesandsilicate)(assi03)/% |
≤0.006 |
≤0.013 |
| 镁(magnesium)(mg)/% |
≤0.002 |
≤0.005 |
| 铝(aluminum)(ai)/% |
≤0.003 |
≤0.01 |
| 钾(kalium)(k)/% |
≤0.005 |
≤0.02 |
| 钙(calcium)(ca)/% |
≤0.01 |
≤0.02 |
| 铁(iron)(fe)/% |
≤0.0005 |
≤0.001 |
| 重金属(heavymetal)(aspb)/% |
≤0.0005 |
≤0.001 |
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2214928.htm
2214928.htm
无水碳酸钠 分析纯化学纯无水碳酸钠 高品质 格 全国畅销的文档下载：
