The utility model discloses a galvanizing coat copper sulfate test washing tank, it includes a basin, the splendid attire has water in the basin, be equipped with test chamber and a plurality of washing container that is equipped with water that the one was equipped with copper sulphate solution in the basin, test chamber and washing container lower part are equipped with supersonic generator, and the basin lower part is equipped with the ultrasonic frequency switch. Test chamber with wash in the container all is positioned the basin through a support. The utility model discloses a plurality of washing containers have been set up to provided supersonic generator, the washing tank is put into with the sample when experimental to its sample that can adapt to various shapes, need not use any instrument can get rid of the precipitate of specimen surface, rinses convenient and fast simultaneously and be applicable to a plurality of samples. The utility model discloses set up the support, the messenger test chamber and the washing container that can facilitate, stabilize are fixed a position in the basin.