A type of organic mercury. A general term for halogenated compounds in which an alkyl group is bonded to mercury. Methylmercury, which belongs to this group, is believed to be the cause of Minamata disease. Ethylmercury also exhibits similar symptoms and has a different toxicity to other organic and inorganic mercury. Contamination of fish and other organisms by methylmercury has become a problem, but there is much debate about the route of contamination. Certain microorganisms are known to convert inorganic mercury to methylmercury, and the reverse reaction is also known. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
有機水銀の一族。アルキル基が水銀に結合したハロゲン化合物の総称。これに属するメチル水銀は水俣病の原因とされている。エチル水銀も同様な症状を呈し,他の有機水銀や無機水銀とは異なる毒性を示す。メチル水銀による魚類などの汚染が問題となっているが,汚染経路については議論が多い。ある種の微生物は無機水銀をメチル水銀に変化させ,またこの逆反応を行う微生物も知られている。
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