<table border="0" cellspacing="0" cellpadding="0" width="530"> <tbody> <tr> <td width="130" align="center" valign="middle"></td> <td width="400"> <table border="0" cellspacing="0" cellpadding="0" width="96%" align="center"> <tbody> <tr> <td height="45"><span class="style1">氧化鈰 </span></td> </tr> <tr> <td height="45"><span class="style1">產(chǎn)品信息 </span></td> </tr> <tr> <td height="45"><span class="style1">    分子式： CeO2 </span></td> </tr> <tr> <td height="45"><span class="style1">    分子量： 172.12 </span></td> </tr> <tr> <td height="45"><span class="style1">    物化性質(zhì)： 淺黃白色立方體粉末。相對密度7.132。熔點2600℃。不溶于水，不易溶</span></td> </tr> <tr> <td height="45"><span class="style1">于無機(jī)酸。需加還原劑協(xié)助溶解（如羥胺還原劑）。 </span></td> </tr> <tr> <td height="45"><span class="style1">    用途： 用作玻璃工業(yè)添加劑，作板玻璃研磨材料，目前已擴(kuò)大到眼鏡玻璃、光學(xué)透鏡</span></td> </tr> <tr> <td height="45"><span class="style1">、顯像管的研磨，起脫色、澄清、玻璃的紫外線和電子線的吸收等作用。也作眼鏡透鏡的</span></td> </tr> <tr> <td height="45"><span class="style1">防反射劑，與鈰制成鈰鈦黃使玻璃呈淺黃色。用于陶瓷釉料及電子工業(yè)中，作為壓電陶瓷</span></td> </tr> <tr> <td height="45"><span class="style1">滲入劑。還用于制造高活性催化劑，煤氣燈白熾罩，Ｘ射線用熒光屏。 </span></td> </tr> <tr> <td height="45"><span class="style1">    質(zhì)量標(biāo)準(zhǔn)： 氧化鈰（相對純度），%　≥99.99</span></td> </tr> <tr> <td height="45"><span class="style1">               La2O3，%　≤0.001</span></td> </tr> <tr> <td height="45"><span class="style1">               Pr6O11，%　≤0.002</span></td> </tr> <tr> <td height="45"><span class="style1">               Nd2O3，%　≤0.003</span></td> </tr> <tr> <td height="45"><span class="style1">               Sm2O3 ,%　≤0.002</span></td> </tr> <tr> <td height="45"><span class="style1">               Y2O3，%　≤0.001 </span></td> </tr> </tbody> </table> </td> </tr> </tbody> </table>