Monitoring of dissolved reactive phosphorus in wastewaters by flow injection analysis .2. On-line monitoring system

被引：6
|
作者：
Benson, RL
Truong, YB
McKelvie, ID
Hart, BT
Bryant, GW
Hilkmann, WP
机构：
[1] MONASH UNIV,WATER STUDIES CTR,CAULFIELD,VIC 3145,AUSTRALIA
[2] MONASH UNIV,DEPT CHEM,CAULFIELD,VIC 3145,AUSTRALIA
[3] BHP RES,NEWCASTLE LABS,WALLSEND,NSW 2287,AUSTRALIA
来源：
WATER RESEARCH | 1996年 / 30卷 / 09期
关键词：
flow injection; phosphorus; wastewaters; on-line monitoring; filtration;
D O I：
10.1016/0043-1354(96)00009-7
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
An automated-flow injection (FI) analyser for the determination of dissolved reactive phosphorus (DRP) in wastewaters is described. The analytical method is based on the formation of molybdenum blue. The limits of detection using a solid-state photometric detector (LED-photodiode) were 0.05 mg P 1(-1) and the linear range was 0-20 mg P 1(-1). Details of construction, field-testing (including sample filtration) and validation are given. The analyser proved very reliable during an unattended operational period of seven days. Operational costs were minimised, with low reagent consumption and minimal operator intervention. Data retrieval and analyser status were remotely interrogated by means of a cellular telephone-based communications link. The real-time results from the analyser showed good correlation with those generated by a validated laboratory method. Copyright (C) 1996 Elsevier Science Ltd
引用
收藏
页码：1965 / 1971
页数：7
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