亚洲日韩欧美综合-亚洲日韩欧美一区二区在线-亚洲日韩欧美视频-亚洲日韩精品欧美一区二区-国产欧美日韩综合

元素硼

 
 
單價 面議對比
詢價 暫無
發貨 遼寧營口市付款后3天內
庫存 100公斤起訂1公斤
品牌 營濱
型號 7440-42-8
規格 90-95
過期 長期有效
更新 2014-07-25 11:40
 

營口遼濱精細化工有限公司

企業會員第15年
資料未認證
保證金未繳納
詳細說明

 

   元素硼在周期表中處于把元素分成金屬與非金屬分界線色特殊位置上,是非金屬性占優勢的元素,負電性很強,原子半徑小,核電荷集中,非金屬性質和硅類似。其密度2.35g/cm。硬度9.3,比重是2.33-2.45,熔點:2300℃,沸點:2550℃。
舉報收藏 0評論 0
更多>本企業其它產品
單質硼 單體硼 氮化硼
 
主站蜘蛛池模板: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |