天堂在线67194_国产精品日韩专区第一页_国自产精品手机在线视频香蕉_亚洲高清AV电影久久

Yttrium carbonate
Yttrium carbonate
Detail
Chemical composition: TREO>35%, Y2O3/TREO>90%, Fe2O3<0.2%, SO42-<0.3%
Acid insoluble <0.2%
Pink powder
Main application: mainly used as raw material for preparing yttrium oxide and erbium oxide
Scan QR codeClose