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题名:
改进国标方法检测海岸带水体铁的研究
其他题名: Determination of Iron in Coastal Zone Water with Improved National Standard Method
作者: 王晨晨; 潘大为; 韩海涛; 林明月; 胡雪萍; 朱云
刊名: 环境科学与管理
ISSN号: 1674-6139
出版日期: 2017-04-18
卷号: 42, 期号:2, 页码:1-2
关键词: 邻菲啰啉分光光度法 ; 方法改进 ; 海岸带水体 ; 铁检测
产权排序: (1)中国科学院海岸带环境过程与生态修复重点实验室山东省海岸带环境过程重点实验室中国科学院烟台海岸带研究所;(2)中国科学院大学;
通讯作者: 潘大为
作者部门: 中科院海岸带环境过程与生态修复重点实验室
中文摘要: 为了更加准确地检测海岸带水体中的铁含量,将邻菲啰啉分光光度法测定水质铁(国标法)的方法进行了改进。在邻菲啰啉分光光度法的基础上,在p H调节方式、比色皿皿差和显色剂三个方面进行改进。结果表明,改进后方法的线性、准确度和精密度都优于国标法。但改变p H调节方式和扣除比色皿皿差后检测低浓度铁的水样的精密度依然较差(RSD>5%),说明邻菲啰啉的灵敏度较低。以5-Br-PADAP为显色剂用分光光度法检测水样时,方法的准确度和精密度较好(RSD<5%,加标回收率在96.0%~106%之间),该方法可以用于海岸带水体中铁的检测。
英文摘要: The determination of iron with phenanthroline spectrophotometry( National Standard Method) was improved in orderto detect coastal zone water more accurately. The improvement was carried out from three aspects: the adjustment of pH values,the difference between the cuvettes and chromogenic agent. The results demonstrated that the linearity, accuracy and precision ofthe improved methods were better than that of the National Standard Method. But the precision of the improvement of the adjustment method of pH and the difference between the cuvettes was still poor for detecting samples with low concentration. This indicated that the sensitivity for iron by using phenanthroline was low. However, the sensitivity, the accuracy and precision for iron byusing 5 - Br - PADAP was relatively more excellent when it was utilized for detecting coastal water( RSD < 5% , recoveries werein the range of 96. 0% and 106% ) . It implied that the spectrophotometry based on 5 - Br - PADAP could be used to determinethe iron in coastal waters.
项目资助者: 国家自然科学基金资助项目(41276093)
收录类别: 其他
语种: 中文
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/22084
Appears in Collections:中科院海岸带环境过程与生态修复重点实验室_期刊论文

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作者单位: 1.中国科学院海岸带环境过程与生态修复重点实验室山东省海岸带环境过程重点实验室中国科学院烟台海岸带研究所
2.中国科学院大学

Recommended Citation:
王晨晨,潘大为,韩海涛,等. 改进国标方法检测海岸带水体铁的研究[J]. 环境科学与管理,2017,42(2):1-2.
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