锆英石及锆英釉料瓷砖的放射性水平及致公众剂量  

Levels of radio activity in the zircom and glazed tile of zircom and Lts sendout to cocal residents

作　　者：王昆山[1] 

机构地区：[1]中国有色金属工业总公司劳动保护研究所,410014

出　　处：《工业安全与防尘》1999年第7期23-25,共3页

摘　　要：报道在正常生产情况下,用环境监测仪测定锆英石及锆英釉料瓷砖的放射性水平。锆英石的总比放射性大于7.0×10~4Bq·kg^(-1),属放射性物质;锆英釉料瓷砖的γ、β放射性污染致公众的附加年剂量当量为0.34mSv,相当于公众剂量限值的1/3。Levels of radioac tivity in Zircom and glazed tile The results show thae averoge specific activities of zircom Are exced 7. 4×104Bq·kg-1 it is radioactive suhceance the annual eguivalent dose of γ、β-irradiation to residents caused Bg the glazed tile from the zircom is 0. 34 m Sv·a-1,eguivalent the dose to limit for one-third toresidents. .

关 键 词：锆英石 锆英釉料瓷砖 放射性水平 公众剂量 

分 类 号：X837[环境科学与工程—环境工程] R144.1[医药卫生—公共卫生与预防医学]