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Title :新潟県における金属腐食調査
Title alternative :Metal Corrosion Tests Caused by Acid Deposition in Niigata Prefecture
Authors :福崎, 紀夫
丸山, 隆雄
大泉, 毅
Publisher :新潟県保健環境科学研究所
Issue Date :Dec-1998
Journal Title :新潟県保健環境科学研究所年報
Volume :13
Start Page :76
End Page :82
ISSN :1344-3518
Abstract :Metal plates (carbon steel, copper) were exposed from 1988 to 1998 every six months under outdoor and indoor conditions at three sites in Niigata prefecture. The outdoor carbon steel plates showed greater penetrations of corrosion (μm) than those of indoor plates. The amount of corrosion product (mg/200c㎡) and penetration of corrosion varied seasonally, especially in cold season (from October to March) in indoor exposure test, they remarkably increased in Niigata city. The outdoor carbon steel penetrations of corrosion correlated with SO_4^<2->, Cl^-, Na^+, K^+, Ca^<2+>, Mg^<2+> ions. The penetrations in Niigata prefecture were greater than those in the area along the Pacific Ocean. Copper mass loss in weight was much smaller than that of steel.
Keywords :Metal corrosion
Exposure test
Acid deposition
Type Local :Departmental Bulletin Paper
Language :jpn
URI :http://hdl.handle.net/10623/25456
Appears in Collections:92 新潟県保健環境科学研究所年報

Please use this identifier to cite or link to this item: http://hdl.handle.net/10623/25456

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