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供應二氧化硒 二氧化硒價格 報價

 
 
單價 460.00 / 公斤對比
銷量 暫無
發貨 廣東廣州市付款后24小時內
庫存 1111公斤起訂1公斤
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

  白色有光澤針狀結晶。味酸并有灼燒感。蒸氣顯黃綠色,并帶辛辣味。有吸濕性。對光和熱穩定。315℃升華。易吸收干燥氟化氫氯化氫溴化氫碘化氫生成相應的鹵氧化硒。與反應生成氮和硒,在氨的乙醇溶液中生成亞硒酸乙基銨 [NH4(C2H5)SEO3],與肼生成氮和黑色無定形硒,與鹽酸羥胺生成氮和紅棕色無定形硒,與硝酸生成硒酸。能被碳和其他有機物質還原。易溶于水,溶于乙醇、丙酮乙酸甲醇和濃硫酸。相對密度 (d1515)3.954。熔點340℃。折光率 (n20D)<1.76
  錳電解用添加劑,飲料用微量元素添加劑,鋼鐵材料的發黑劑,還可作氧化劑,催化劑,化學試劑 發射光譜分析用。沉淀鋯、鉿。檢定生物堿。氧化劑。制造其他硒化合物和高純硒。
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