Device and system for measuring inorganic carbon in soil

The invention discloses a device and system for measuring inorganic carbon in soil, the device comprises a measuring box, a soil stirring mechanism, a vacuum pump, a phosphoric acid injection assembly and an infrared gas chromatograph, the measuring box comprises a box body and a support plate, and the bottom of the box body is open; the supporting plate covers and is fixed at the top of the box body; the soil stirring mechanism is vertically installed on the supporting plate and located in the box body. The vacuum pump is installed on the supporting plate and communicates with the interior of the box body. The phosphoric acid injection assembly is mounted on the supporting plate and extends into the box body; and the infrared gas chromatograph is connected and communicated with the interior of the box body through a valve. According to the invention, inorganic carbon in soil can be directly measured on site, and the working efficiency and accuracy are improved. 本发明公开了一种测量土壤中无机碳装置及系统，装置包括测量箱、土壤搅拌机构、真空泵、磷酸注入组件