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五价砷

五价砷

...水溶液中易水解成 Fe(OH)3的性质进行混凝吸附五价砷(As5+) 操作步骤: (1)搅拌 (2)沉淀 (3)过滤As5+ (4)去除该法最适宜去 …

主题：生物：解开细菌排砷解毒的奥秘胞质内的五价砷（Arsenates）还原成三价砷（Arsenites）再透过细胞膜上ArsAB排砷帮

Arsenic is a toxic element and it exists in 3+ or 5+ valence states in common . The 3+ state is more toxic than 5+ state.

Comparative Study on the Inhibition of Arsenic and Arsenate to Brain Acetylcholinesterase from Different Fish Species