...The above alkyl lead compounds are highly toxic, and when ingested by the human body through inhalation or skin contact, they attack the nerves. Therefore, gasoline containing alkyl lead (leaded gasoline) is colored with dyes; automobile gasoline is orange, and aviation gasoline is red, green, or purple depending on the octane number. When leaded gasoline is burned, exhaust containing lead compounds pollutes the air around roads, causing pollution problems, so regular gasoline for automobiles in Japan has been completely unleaded since 1975, and only a small amount of premium gasoline is leaded. ... *The following is a partial explanation of the term "alkyl lead-containing gasoline." Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…上記のアルキル鉛化合物は猛毒性であり,呼吸や皮膚接触により人体に摂取されると神経を侵す。そこでアルキル鉛含有ガソリン(加鉛ガソリン)は染料によって着色されており,自動車ガソリンはオレンジ,航空ガソリンはオクタン価により赤,緑,または紫色である。鉛含有ガソリンが燃焼すると,鉛化合物を含む排気が自動車道路周辺の大気を汚染し,公害問題をひき起こすため,日本の自動車用レギュラーガソリンは1975年以来完全に無鉛化され,わずかにプレミアムガソリンだけが加鉛されている。… ※「アルキル鉛含有ガソリン」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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