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[1]闵 捷1,胡仁海2*,汤亚飞1.磷泥中黄磷的测定[J].武汉工程大学学报,2015,37(04):29-31.[doi:10. 3969/j. issn. 1674—2869. 2015. 04. 006]
 ,Determination of yellow phosphorus in phosphorus mud[J].Journal of Wuhan Institute of Technology,2015,37(04):29-31.[doi:10. 3969/j. issn. 1674—2869. 2015. 04. 006]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
37
期数:
2015年04期
页码:
29-31
栏目:
化学与化学工程
出版日期:
2015-04-30

文章信息/Info

Title:
Determination of yellow phosphorus in phosphorus mud
文章编号:
1674—2869(2015)04—0029—03
作者:
闵 捷1胡仁海2*汤亚飞1
1.武汉工程大学化学与环境工程学院,湖北 武汉 430074;2.咸宁市环保实用技术推广中心,湖北 咸宁437100
Author(s):
MIN Jie1 HU Ren-hai 2TANG Ya-fei1
1.School of Chemistry and Environmental Engineering,Wuhan Institute of Technology,Wuhan 430074,China;2.Xianning Dissemination Centre of Environmental Protection Practical Technologies,Xianning 437100,China
关键词:
正己烷萃取紫外分光光度法黄磷测定磷泥
Keywords:
extraction with hexane ultraviolet spectrophotometry analysis determination of yellow phosphorus phosphorus mud
分类号:
O657
DOI:
10. 3969/j. issn. 1674—2869. 2015. 04. 006
文献标志码:
A
摘要:
试验以正己烷为萃取剂,采用紫外分光光度法对磷泥中的黄磷进行了测定,探讨了萃取时间、萃取剂用量及磷泥取样方法等因素对磷含量测定结果的影响.结果表明:采用20 mL正己烷、振摇10 min萃取2 g磷泥,一次萃取率可达到99%;在泥饼平面上,磷含量最大值15.7%,最小值9.7%;在深度上,磷含量最大值15.7%,最小值10.2%;采取棋盘式全层取样可很好地解决黄磷在泥饼中二维空间上分布不均匀的问题,测定结果的相对标准偏差(RSD)为2.1%.采用“正己烷萃取+紫外分光光度法”测定磷泥中的黄磷含量方法操作简便、重现性好.
Abstract:
The yellow phosphorus in phosphorus mud was determined by ultraviolet spectrophotometry with hexane as extraction agent. The effects of extraction time, hexane dosage, the sampling method of phosphorus mud and other factors on the determination results of phosphorus content were discussed. The results show that: the extraction rate of the yellow phosphorus from 2 g phosphorus mud is 99% using 20 mL hexane and shaking 10 min.On the plane of a mud cake, the maximum content of phosphorus is 15.7% and the minimum content is 9.7%. In the vertical direction, the maximum content is 15.7% and the minimum content is 10.2%. The problem that phosphorus is unevenly distributed in the two-dimensional space is well solved by the full layer chessboard sampling, and the Relative Standard Deviation of determination results is 2.1%. Using hexane as extraction agent and ultraviolet spectrophotometric analysis to determine phosphorus in phosphorus mud is simple and feasible.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015—03—02作者简介:闵捷(1990—),女,湖南长沙人,硕士研究生.研究方向院环境工程.* 通信联系人
更新日期/Last Update: 2015-05-25