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供應二氧化碲 二氧化碲價格

 
 
單價 400.00 / 公斤對比
銷量 暫無
發貨 廣東廣州市付款后24小時內
庫存 1000公斤起訂1公斤
規格 99.99
過期 長期有效
更新 2012-12-17 10:27
 

廣州華儲有色金屬有限公司

企業會員第14年
資料未認證
保證金未繳納
詳細說明

TeO白色結晶粉末。無臭。四角晶體相對密度5.66(0℃)。斜方晶體相對密度5.91(0℃)。熔點733℃。四方晶結構、加熱顯黃色,熔融呈暗黃紅,為兩性化合物,極難溶于水,不溶于氨水,溶于強酸和強堿。供防腐和測定疫苗中細菌等用。由碲在空氣中燃燒或被熱硝酸氧化而成。
  沸點1260℃。450℃開始升華,由正確酸熱分解制取。用于防腐、鑒定疫苗中細菌等。為有毒物質。主要用于制備II-VI族化合物半導體、熱。電轉換元件、致冷元件、壓電晶體和紅外探測器等。
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