Chromium is a multivalent metal, the most common of which are Cr (III) and Cr (VI). Among them, the toxicity of Cr (VI) is more than 100 times of that of Cr (III), which has a very large toxic effect on human beings, animals and aquatic organisms. It is listed as a class I carcinogen by the internat…
In recent years, with the importance of ocean development and application, great progress has been made in the exploitation of ocean water and ocean energy. However, there are still difficulties and unknown areas in the study of ocean water. The composition of seawater is quite complex, and the cont…
Fluoroplastics refer to plastics made of fluororesin. The main varieties include polytetrafluoroethylene, tetrafluoroethylene ethylene copolymer, tetrafluoroethylene hexafluoropropylene copolymer, and trifluoroethylene ethylene copolymer.Because the molecular structure o…
