三氧化二�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p> <table cellspacing="0" cellpadding="0" width="680" align="center" border="0"> <tbody> <tr> <td colspan="2"> <p>中文名：氧化硻�/p> <p>英文名：Boron Oxide, Boric Anhydride, and Boron Trioxide<br /> 分子式：B<sub>１�/sub>O<sub>3</sub><br /> 分子量：69.62<br /> <br /> <span class="STYLE1"><strong><font color="#ff0000">特�?br /> </font></strong></span><br /> 　　氧化硼为无色玻璃状晶体或粉末。质硬而脆，表面有滑腻感，无味。对热稳定，白热时，也不为碳所还原，但碱金属以及镁、铝皆能使之还原为单体硼。在600℃左右时，变为粘性很大的液体。硼酸酐在空气中可很强地吸水，而生成硼酸。可溶于酸、乙醇、热水中，微溶于冷水。氧化硼可与若干金属氧化物化合而形成具有特征颜色的硼玻璃。能与碱金属、铜、银、铅、砷、锑、铋氧化物完全混溶、�br /> 　　结晶型氧化硼的密度为2.46g/cm<sup>3</sup>，无定型氧化硼的密度�?.80~1.84g/ cm<sup>3</sup>,熔点:557�?溶解度：（g/100gH<sub>１�/sub>O）：1.1(0�?,15.7(100�?极易吸水，吸湿后变浑浊状态，也能溶于酒精、�br /> 　　在温度较低时，H3BO3脱水可得到三氧化二硼晶体。此晶体含有BO<sub>4</sub>四面体结构单元，密度1.805g��cm<sup>-3</sup>,熔点�?50℃。玻璃状氧化硼的密度1.795 g��cm<sup>-3</sup>，温度升高时逐渐软化，当到达赤热高温时即成为液态，沸点�?500℃。硼与氧直接化合也以得到B<sub>１�/sub>O<sub>3</sub>、�br /> </p> </td> </tr> <tr> <td valign="top" width="493" height="158"> <p class="STYLE1"><strong><font color="#ff0000">氧化硼的技术指栆�br /> </font></strong><br /> <table cellspacing="1" cellpadding="0" width="460" bgcolor="#cccccc" border="0"> <tbody> <tr bgcolor="#ffffff"> <td class="z2" align="center" width="25" bgcolor="#ebebeb" rowspan="5">技<br /> �?br /> 挆�br /> 栆�/td> <td align="center" width="251" bgcolor="#f9f9f9" height="20">名称</td> <td align="center" width="230" bgcolor="#f9f9f9" height="20">指标</td> </tr> <tr> <td bgcolor="#ffffff" height="20">　　　　　　氧化物（B<sub>１�/sub>O<sub>3</sub> �?</td> <td align="center" bgcolor="#ffffff" height="20">��95-98</td> </tr> <tr> <td bgcolor="#f9f9f9" height="20">　　　　　　氧化铝（SO<sub>4</sub> � %</td> <td align="center" bgcolor="#f9f9f9" height="20">��0.1</td> </tr> <tr> <td bgcolor="#ffffff" height="20">　　　　　　水不溶物 %</td> <td align="center" bgcolor="#ffffff" height="20">��0.02</td> </tr> <tr> <td bgcolor="#f9f9f9" height="20">　　　　　　水份 %</td> <td align="center" bgcolor="#f9f9f9" height="20">��0.5</td> </tr> </tbody> </table> </p> </td> <td valign="top" width="187" rowspan="2"><span class="STYLE1">　　<strong><font color="#f70909">氧化硼的结构</font></strong> <br /> <br /> <br /> </span></td> </tr> <tr> <td valign="top" width="493" height="93"> <table cellspacing="1" cellpadding="0" width="464" bgcolor="#cccccc" border="0"> <tbody> <tr bgcolor="#ffffff"> <td class="z2" align="center" width="23" bgcolor="#ebebeb" rowspan="4">技<br /> �?br /> �?br /> 胼�/td> <td width="229" bgcolor="#f9f9f9" height="20">　　　　　　密度</td> <td align="center" width="208" bgcolor="#f9f9f9" height="20">2.46</td> </tr> <tr> <td bgcolor="#ffffff" height="20">　　　　　　熔点</td> <td align="center" bgcolor="#ffffff" height="20">450ℂ�/td> </tr> <tr> <td bgcolor="#f9f9f9" height="20">　　　　　　沸点</td> <td align="center" bgcolor="#f9f9f9" height="20">1860ℂ�/td> </tr> <tr> <td bgcolor="#ffffff" height="20">　　　　　　水溶�?/td> <td align="center" bgcolor="#ffffff" height="20">36g/L �?5℃）</td> </tr> </tbody> </table> </td> </tr> <tr> <td> <p><span class="STYLE1"><strong><font color="#f70909">氧化硼的用逓�/font></strong> <br /> </span><br /> 1、氧化硼用作硅酸盐分解时的助溶剂、�br /> 2、氧化硼可用于半导体材料中的掺杂剂、�br /> 3、氧化硼可应用于耐热玻璃器皿和油漆耐火添加剂、�br /> 4、氧化硼是制取元素和各种硼化物的主要原料、�br /> 5、氧化硼在冶金工业上用合金钢的生产，高能燃料的制取、�br /> 6、氧化硼是瓷釉的原料、�br /> 7、氧化硼是机械工业中用作化学热处理溶硼剂的原料、�br /> 8、氧化硼是有机合成的催化剂、�br /> 9、氧化硼高温用作润滑剂的添加剂、�br /> 10、氧化硼在国民经济中其它部门以及原子能工业和电子工业上均有应用、�/p> </td> </tr> </tbody> </table> </p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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