Unattended water sample analysis device and method

The invention provides an unattended water sample analysis device and method. The unattended water sample analysis device comprises a water sample container and an internal standard substance container, the sample container is internally provided with an analysis reagent; the first pump is communicated with the internal standard substance container and sends the internal standard substance to the sample adding arm; the opening and closing cover unit is used for opening and closing the sample container; the sample adding arm is used for submerging below the liquid level of the water sample container to extract a water sample and adding an internal standard substance on the liquid level; the transfer unit is used for sending the sample container to the downstream. The system has the advantages of automation, unattended operation and the like. 本发明提供了无人值守的水样分析装置和方法，所述无人值守的水样分析装置包括水样容器和内标物容器；还包括：样品容器内具有分析用试剂；第一泵连通所述内标物容器，并送加样臂；开关盖单元用于打开和关闭所述样品容器；加样臂用于没入所述水样容器液面下抽取水样，以及在液面上加入内标物；转移单元用于将所述样品容器送往下游。本发明具有自动化、无人值守等优点。