| 氰化物测定中糠醛干扰的消除研究 |
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| 引用本文： | 李德豪.氰化物测定中糠醛干扰的消除研究[J].茂名学院学报,2002,12(3):23-26. |
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| 作者姓名： | 李德豪 |
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| 作者单位： | 茂名学院科研处,广东茂名,525000 |
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| 摘 要： | 针对糠醛对废水中氰化物测定产生干扰的现象。从糠醛对氰化物测定的干扰机理出发，探讨消除糠醛干扰的方法，试验和比较了银盐沉淀，石油醚萃取。石油醚二次萃取等干扰消除方法，表明以石油醚二次萃取方法的消除效果最好。可以使糠醛允许量达到250倍，应用于实际水样分析取得满意的结果。
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| 关 键 词： | 氰化物 测定 糠醛 干扰 消除 研究 炼油废水测定 |
| 文章编号： | 1671-6590(2002)03-0023-04 |
| 修稿时间： | 2002年3月5日 |
Study on Elimination of Furfural's Interference in Cyanide Determination |
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| LI De-hao.Study on Elimination of Furfural''s Interference in Cyanide Determination[J].Journal of Maoming College,2002,12(3):23-26. |
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| Authors: | LI De-hao |
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| Abstract: | Based on furfural's interference with cyanide determination in wastewater, the elimination methods of furfural's interference are discussed from furfural's The mechanism. The methods to eliminate the furfural's interference in the determination of cyanide in wastewater, such as silver salt, petroleum ether extraction, two-step petroleum ether extraction, are tested and compared. It is shown that the two-step extraction is the best interference elimination method. The results are reliable when the furfural concentration is 250 times as high as that of the cyanide concentration in wastewater. |
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| Keywords: | furfural cyanide interference |
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