Novel ultraviolet-visible light spectrophotometer powder sample tank

The utility model discloses a novel powder sample tank of an ultraviolet-visible light spectrophotometer. Powder sample cartridge, a powder sample groove is formed in the lower part in the powder sample box; a circular groove is formed in the upper part of the front surface of the powder sample box; a first strong small magnet is adhered to the interior of the circular groove; bolt holes are formed in the two sides of the top end of the powder sample box, a mounting hole is formed in the middle of the top end of the powder sample box, fixing screws with the same specification are in threaded connection with the interiors of the two bolt holes, and a fixing piece is fixedly arranged at the top end of the powder sample box through the two fixing screws. According to the powder sample box, powder in the sample groove is effectively prevented from falling off, pollution of the powder to the experiment table is prevented, experiment measurement can be effectively completed, the burden of cleaning work of the exper