Solution preparation device

The invention provides a solution preparation device which comprises a main body, a cover body, a reaction container and a reagent pipeline, the main body is provided with a containing cavity, the cover body covers the main body to seal the containing cavity, and the reaction container is arranged in the containing cavity and located in the middle of the containing cavity. The reaction container comprises a first chamber and a second chamber, the first chamber and the second chamber are separated through a hollow partition plate, the first chamber is used for containing reaction raw materials,the first chamber is communicated with an opening of the reaction container, one end of the reagent pipeline penetrates through the outside of the cover body, and the other end of the reagent pipeline is arranged above the opening; and the second chamber is provided with a liquid outlet. The solution preparation device provided by the invention solves the problem that the reaction time of the existing iron nitrate soluti