Design of a In-situ Ammonia Nitrogen Analyzer in Seawater

被引：0
作者：
Guo, C. L. [1 ,2 ]
Zhang, S. W. [1 ,2 ]
Cheng, Y. Q. [1 ,2 ]
Ma, R. [1 ,2 ,3 ]
Chu, D. Z. [1 ,2 ]
Zhang, L. [1 ,2 ]
机构：
[1] Qilu Univ Technol, Inst Oceanog Instrumentat, Shandong Acad Sci, Qingdao 266001, Shandong, Peoples R China
[2] Shandong Key Lab Ocean Environm Monitoring Techno, Qingdao 266001, Shandong, Peoples R China
[3] Ocean Univ China, Engn Coll, Qingdao 266001, Shandong, Peoples R China
来源：
2018 2ND INTERNATIONAL WORKSHOP ON RENEWABLE ENERGY AND DEVELOPMENT (IWRED 2018) | 2018年 / 153卷
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1088/1755-1315/153/2/022013
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A in-situ ammonia nitrogen analyzer in seawater was designed based on wet chemical reaction principle, combined the fluorospectrophotometry method with flow injection analysis. The analyzer was controlled by peristaltic pump and tree-way valve, which has the advantages of high sensitivity, low-reagent consumption and can measure the concentration of ammonia nitrogen in seawater in-situ. The detection range was 10 similar to 500 mu g/L, while the detection limit was 1.80 mu g/L and the relative standard deviation (RSD) was less than 2%. The on-site comparison tests between the ammonia nitrogen analyzer and the national standard methods were finished, and the results indicated that the analyzer was entirely feasible and could reflect the content and changes of the ammonia nitrogen in the seawater.
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页数：6
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