Using sequential injection analysis to improve system and data reliability of online methods: determination of ammonium and phosphate in coastal waters [0.03%]
利用顺序注射分析提高在线方法的系统和数据可靠性：确定沿海水域中的铵和磷酸盐
Carsten Frank,Friedhelm Schroeder
Carsten Frank
This article summarises the advantages of the sequential injection analysis (SIA) for the online determination of nutrients in coastal waters. It concentrates on techniques to improve the reliability of the gained data by continuously monit...
Simultaneous Determination of Cobalt(II) and Nickel(II) by Fourth-Order Derivative Spectrophotometric Method Using 2-Hydroxy-3-Methoxy Benzaldehyde Thiosemicarbazone [0.03%]
2-羟基-3-甲氧基苯甲醛半卡巴腙的第四导数紫外光谱的同时测定钴(Ⅱ)和镍(Ⅱ)
A Praveen Kumar,P Raveendra Reddy,V Krishna Reddy
A Praveen Kumar
A simple and new simultaneous fourth derivative spectrophotometric method is proposed for the analysis of a two-component system containing cobalt(II) and nickel(II) without separation using 2-hydroxy-3-methoxy benzaldehyde thiosemicarbazon...
Comparison Study of Different BOD Tests in the Determination of BOD(7) Evaluated in a Model Domestic Sewage [0.03%]
几种BOD测定方法在模型生活污水中确定BOD(7)的测定比较研究
Katri Roppola,Toivo Kuokkanen,Jaakko Rämö et al.
Katri Roppola et al.
The aim of this research was to study the suitability of a manometric respirometric test (OECD 301F) for the determination of biological oxygen demand (BOD) in domestic wastewater. This was done by comparing four different BOD tests (a mano...