This product utilizes the characteristics of PAN developing similar chelate with many metallic ions, and when the sample contains one or more of “Copper, Zinc, Manganese, Nickel, and Cadmium” will develop red color. This product can check on the existence of 5 types of metallic ions in the sample at once, so it will be helpful for checking on abnormal change in the supply water, emergency screening procedure, and checking on the final effluent.
