含锑工业废水的样品保存方法研究

沈清

引用本文:	沈清.含锑工业废水的样品保存方法研究[J].环境监控与预警,2013,5(5):32-33
	SＨＥＮＧ Qing.Study on the Method of Sample Preservation of Industrial Wastewater Containing Antimony[J].Environmental Monitoring and Forewarning,2013,5(5):32-33

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含锑工业废水的样品保存方法研究
沈清¹
南通市环境监测中心站

摘要:

选取5-Br-PADAP光度法和原子吸收法分析预处理后水样的保存效果，经检测发现利用HNO3-HCl溶液作为固定剂，调节pH<1后在无色玻璃瓶中贮存的样品，常温下可保存31d，锑回收率达95%以上，同时前处理带入的干扰离子最少，能够满足验收废水监测中质量控制要求。

关键词: 锑工业废水环境监测样品保存

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Study on the Method of Sample Preservation of Industrial Wastewater Containing Antimony

SＨＥＮＧ Qing

Abstract:

The article focused on the method of sample preservation of industrial wastewater containing antimony. By determining the antimony in industrial wastewater with 5-Br-PADAP and AAS, it is found out that the wastewater can be preserved in transparent glass bottle for 31 days by adding HNO3-HCl as fixative after adjusting until pH<1. The recovery of antimony is above 95%, and the interference could be reduced to the least by the method. It can satisfy the quality control of wastewater monitoring.

Key words: antinomy industrial wastewater environment monitoring sample preservation