{"title":"[牙科合金中镍的释放与腐蚀溶液pH值的关系]。","authors":"P Pfeiffer, H Schwickerath","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Ni-59-65Cr26-23Mo11-9 alloys released distinctly lower quantities of nickel in lactic acid/saline solutions at pH 2.3, 4.2, or 6.5 than type Ni66-85Cr15-13Mo7-0 alloys for a period of 1 day and, subsequently, periods of 3 days over a total period of 33 days. While nickel solubility was similarly high at pH 2.3 and 4.2 (varying between 0.1 microns/cm2 d and 222 microns/cm2 d depending on the type of alloy), a maximum of 2 microns/cm2 d of nickel dissolved from all tested alloys at a pH value of 6.5.</p>","PeriodicalId":11244,"journal":{"name":"Deutsche zahnarztliche Zeitschrift","volume":"46 11","pages":"753-6"},"PeriodicalIF":0.0000,"publicationDate":"1991-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"[Nickel release of dental alloys as a function of the pH value of the corrosive solution].\",\"authors\":\"P Pfeiffer, H Schwickerath\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Ni-59-65Cr26-23Mo11-9 alloys released distinctly lower quantities of nickel in lactic acid/saline solutions at pH 2.3, 4.2, or 6.5 than type Ni66-85Cr15-13Mo7-0 alloys for a period of 1 day and, subsequently, periods of 3 days over a total period of 33 days. While nickel solubility was similarly high at pH 2.3 and 4.2 (varying between 0.1 microns/cm2 d and 222 microns/cm2 d depending on the type of alloy), a maximum of 2 microns/cm2 d of nickel dissolved from all tested alloys at a pH value of 6.5.</p>\",\"PeriodicalId\":11244,\"journal\":{\"name\":\"Deutsche zahnarztliche Zeitschrift\",\"volume\":\"46 11\",\"pages\":\"753-6\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1991-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Deutsche zahnarztliche Zeitschrift\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Deutsche zahnarztliche Zeitschrift","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
[Nickel release of dental alloys as a function of the pH value of the corrosive solution].
Ni-59-65Cr26-23Mo11-9 alloys released distinctly lower quantities of nickel in lactic acid/saline solutions at pH 2.3, 4.2, or 6.5 than type Ni66-85Cr15-13Mo7-0 alloys for a period of 1 day and, subsequently, periods of 3 days over a total period of 33 days. While nickel solubility was similarly high at pH 2.3 and 4.2 (varying between 0.1 microns/cm2 d and 222 microns/cm2 d depending on the type of alloy), a maximum of 2 microns/cm2 d of nickel dissolved from all tested alloys at a pH value of 6.5.
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