Original document(12 pages) Authorized document(12 pages) 中文版
    To suppress corrosion causing in a nonpassivated metallic body such as a heat transfer pipe of a boiler by the influence of water. The method of suppressing corrosion includes a stage where the concentration of citric acid contained in water influencing on a nonpassivated metallic body such as a heat transfer pipe of a boiler is set in at least 50 mg/l. Suppressible corrosion by this method is, e.g. local corrosion occurring in the thickness direction of a nonpassivated metallic body.
Application Number
申请号		 02149981 Application Date
申请日		 2002.11.01
Title 名称 Corrosion inhibition method for non-passive metal and boiler
Publication Number
公开号		 1418829 Publication Date
公开日		 2003.05.21
Approval Pub. Date 2006.07.05 Granted Pub. Date 2006.07.05
International Classification 分类号 C02F5/10;C02F1/66;F28F19/00
Applicant(s) Name
申请人		 Mitsuura Kogyo K.K.
Address 地址
Inventor(s) Name 发明人 Nakashima Junichi;Nokami Yasuo;Kato Urunichi
Attorney & Agent 代理人 wei jinxi meng fanhong
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