Sample preparation device before high-purity arsenic detection

The utility model discloses a sample preparation device before high-purity arsenic detection. The sample preparation device comprises a high-temperature furnace, a filtering bottle, a bubble bottle, a buffering bottle and a collecting bottle, the high-temperature furnace comprises a heat preservation shell, an end cover is arranged on the left end face of the heat preservation shell, an oxygen inlet pipe is arranged on the left end face of the end cover, the heat preservation shell is connected with a collecting bottle through a first flow guide pipe, the collecting bottle is connected with a buffering bottle through a second flow guide pipe, and the buffering bottle is connected with a bubble bottle through a third flow guide pipe. The high-purity arsenic removal device is compact in structure, convenient to operate and easy to install, arsenic raw materials in high-purity arsenic can be rapidly and efficiently removed, the detection precision of samples is effectively guaranteed, meanwhile, waste gas can be