{"title":"[Measurements of the mercury vapour concentration of the room air during dosing and trituration of amalgam by DMG 410].","authors":"E Glockmann, G Holzapfel, J Güsewell","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The testet mechanical amalgamators DMG 410 (VEB Dentalfabrik Treffurt) showed sufficient tightness. After dosing and trituration of 5 (during 30 min) and of 25 amalgam mixtures (during 2 hours) an increase of the mercury vapour concentration was measured from 0.003 mg Hg/m3 air of the room (blank value) to 0.008 mg Hg/m3 air of the room and to 0.018 mg Hg/m3 air of the room in an unventilated room. A significant decrease of the mercury vapour concentration could be established within 10 minutes by ventilation of the measurement room.</p>","PeriodicalId":76559,"journal":{"name":"Stomatologie der DDR","volume":"40 8","pages":"333-4"},"PeriodicalIF":0.0000,"publicationDate":"1990-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Stomatologie der DDR","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The testet mechanical amalgamators DMG 410 (VEB Dentalfabrik Treffurt) showed sufficient tightness. After dosing and trituration of 5 (during 30 min) and of 25 amalgam mixtures (during 2 hours) an increase of the mercury vapour concentration was measured from 0.003 mg Hg/m3 air of the room (blank value) to 0.008 mg Hg/m3 air of the room and to 0.018 mg Hg/m3 air of the room in an unventilated room. A significant decrease of the mercury vapour concentration could be established within 10 minutes by ventilation of the measurement room.
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