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基于分光光度法的多量程海水营养盐原位传感器检测系统设计
綦声波1, 任军博1, 马然2, 张述伟2
1.中国海洋大学 工程学院;2.山东省科学院海洋仪器仪表研究所
摘要:
传统的海水营养盐检测主要采用基于调查船采样-实验室分析和半自动可见分光光度法分析方法,不能满足长期原位监测需求,无法反应较远海域的营养盐变化趋势。针对上述问题,研制了一种基于分光光度法的多量程海水营养盐原位传感器检测系统,通过对系统的高度集成及对多量程检测、低功耗技术、漏液保护技术的应用,实现了对海水五项营养盐参数快速、宽范围、高精度的原位测量。经过实验室和青岛中苑码头现场测试,表明本营养盐传感器检测系统具有低功耗、高可靠性能,可满足对五项营养盐参数的快速精确测量要求,实现了对海水营养盐参数的原位监测,为相关部门及时了解海洋生态环境和水体富营养化程度提供了数据支持,具有重大现实意义。
关键词:  海水营养盐  光度法  原位检测  多量程  低功耗
DOI:10.11759/hykx20190328002
分类号:TP23
基金项目:国家重点研发计划
Design of multi-range seawater nutrient salt in-situ sensor detection system based on spectrophotometry
QI Sheng-bo1, REN Jun-bo1, MA Ran2, ZHANG Shuwei2
1.Engineering College,Ocean University of China;2.Shandong Ocean Environment Monitoring Technology Key Laboratory,Qingdao Shandong
Abstract:
The traditional seawater nutrient salt detection is mainly based on survey ship sampling-the analysis of laboratory and semi-automatic visible spectrophotometry, which cannot satisfy the long-term in-situ requirements of monitoring and cannot reflect the trend of nutrient salt in the farther sea. Aiming at the above problems, a multi-range seawater nutrient salt in-situ sensor detection system based on spectrophotometry was developed. Through the high integration of the system and the application of multi-range detection, low-power techniques and liquid leakage protection techniques, achieved fast-parameter, wide-range and high-precision in-situ measurements of five nutrient salt parameters in seawater. After field testing by the laboratory and Qingdao Zhongyuan Wharf, it shows that the sensor detection system has low power consumption and high reliability, can satisfy the fast and accurate requirements of measurement for five nutrient parameters, and realizes in-situ monitoring of seawater nutrient parameters and have provided the relevant departments timely data to understand the marine ecological environment and the degree of eutrophication of water bodies, which has great practical significance.
Key words:  seawater nutrient salt  photometric method  insitu detection  multi-range  
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