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| 工业废水中痕量汞的直接测定 |
| D irectDeterm ination of Trace M ercury in IndustrialWaste water |
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| DOI: |
| 中文关键词: 汞 DMA -80 型直接测汞仪 工业废水 |
| 英文关键词: Mercury DMA -80 automatic mercury analyzer Industrialwastewater |
| 基金项目: |
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| 中文摘要: |
| 采用DMA -80 型直接测汞仪测定工业废水中的痕量汞, 优化了干燥时间、分解温度、释放温度等试验条件。方法在 0 μ g/L ~ 600 μ g/L 范围内线性良好, 检出限为 5.0 × 10 -5 mg/L, 工业废水样品平行测定的 RSD ≤ 0.2% , 加标回收率为 96.7% ~ 105% 。 |
| 英文摘要: |
| Trace mercuryinindustrialwastewaterwasdirectly determinedwith DMA -80 automatic mercuryanalyzer. The experimentalcondition wasoptimized such as dry time, decomposition temperature and releasetemperature. A goodlinearitywasin rangefrom 0 μ g/L to 600 μ g/L. The detectionlimitwas5.0 × 10-5 mg/L.The RSD ofparalleltestofindustrial wastewatersamples was ≤ 0.2%. The spiked recoveries were between96.7% and105%. |
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