AAⅡ流动分析仪与色谱工作站联机测定海水中营养盐

Determining Nutrient Salts in Sea Water with AAⅡContinuous Flow Analysis Connected to a Chromatogram Data Workstation

AAⅡ 流动分析仪是一种由英国生产、型号较旧的自动进样光电比色计,由于终端处理技术落后而面临被淘汰。通过把色谱数据工作站的闲置通道作为接口将 AAⅡ 流动分析仪与计算机连接, 可用于测定海水中的 N, P, Si 等营养盐,经假设检验和近一年的实践证明性能完全可靠。本文介绍了本项技术改造的基本原理,所用色谱数据工作站的技术参数、计算机配置以及一个分析测定海水样品的实例。

AAⅡContinuous Flow Analysis, an old style colorimeter made in Britain , is falling into disuse, because the terminal unit is out of date. An unused channel of a chromatogram data workstation is employed to connect the AA Ⅱ Continuous Flow Analysis to a PC to determine nutrient salts such as N, P, Si in sea water. The experiment nearly throughout a year has proved that the technology is reliable. An example of determining the nutrient salts in seawater and the technical parameters such as the parameters of chromatogram's data workstation, PC are introduced in this paper.