发明授权
- 专利标题： Corrosion suppression of stainless steel in caustic media
- 专利标题（中）： 苛性介质中不锈钢的腐蚀抑制
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申请号： US760307申请日： 1991-09-16
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公开(公告)号： US5154860A公开(公告)日： 1992-10-13
- 发明人: Tilak V. Bommaraju , Robert G. Adams
- 申请人： Tilak V. Bommaraju , Robert G. Adams
- 申请人地址： NY Niagara Falls
- 专利权人： Occidental Chemical Corporation
- 当前专利权人： Occidental Chemical Corporation
- 当前专利权人地址： NY Niagara Falls
- 主分类号： C01B6/15
- IPC分类号： C01B6/15 ; C01D1/04 ; C23F11/06
摘要：
Disclosed is a method of inhibiting the electrochemical corrosion of stainless steel immersed in an aqueous solution of about 20 to about 40 wt % alkali metal hydroxide at a temperature of less than 100.degree. C. About 2 to about 500 ppm of sodium borohydride, hydrazine, or a mixture thereof is added to the aqueous solution.
公开/授权文献
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