?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "//www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> agѶƽ̨:二氧化硒h分n二氧化硒如何提炼 - 武汉市龙临化工有限公?/title> <meta name="keywords" content="agѶƽ̨," /> <link href="/template/NEST60028/lib/css.css" rel="stylesheet" type="text/css" /> <link href="/template/NEST60028/lib/style.css" rel="stylesheet" type="text/css" /> <link rel="canonical" href="//www.yozne.com/news/39.html"/> <meta name="robots" content="noarchive"> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div class="top_box"> <div class="top"> <div class="top_l">武汉市龙临化工有限公ؓ您免Ҏ?a href="/">粉h</a>?a href="/supply/">亚硒酔Rh</a>?a href="/news/">氧化?/a>{相关信息发布和最新资讯,敬请xQ?/div> <div class="top_r"> </div> </div> </div> <div class="clearfloat"></div> <div class="logo_box"> <div class="logo"> <div class="logo_l"> <img src="/uploads/logo/20181121120020.png" alt="武汉市龙临化工有限公? width="1000" height="100"/> </div> </div> </div> <div class="nav_box"> <div class="nav"> <ul class="pvfb"> <li class="pvfb"><a href="//www.yozne.com/" title="agѶ">agѶ</a></li> <li class="pvfb"><a href="/about/" title="" rel="nofollow">关于我们</a></li> <li class="pvfb"><a href="/supply/" title="" rel="nofollow">产品展示</a></li> <li class="pvfb"><a href="/news/" title="" rel="nofollow">新闻资讯</a></li> <li class="pvfb"><a href="/about/about2.html" title="" rel="nofollow">招兵买马</a></li> <li class="pvfb"><a href="/buy/" title="" rel="nofollow">员工天地</a></li> <li class="pvfb"><a href="/contact/" title="" rel="nofollow">联系我们</a></li> </ul> </div> </div> <div style="width:100%;overflow-x:hidden;"> <div style="width:1000px;margin:0 auto;"> <div style="width:1920px; height:450px; margin-left:-460px;"> </div> </div> </div> <div class="search_box"> <div class="search"> <div class="search_l">热门关键词: <a href="/key.aspx?k=%b2%a3%c1%a7%d4%ad%c1%cf" rel="nofollow">ȝ原料</a> <a href="/key.aspx?k=%ce%f8%b7%db%bc%db%b8%f1" rel="nofollow">粉h</a> <a href="/key.aspx?k=%c5%a9%d7%ca%b7%ca%c1%cf" rel="nofollow">农资肥料</a> </div> <div class="search_r"> <div class="search-box"> <form name="formSeach" id="formSeach" action="/key.aspx" onSubmit="Seach()"> <input type="text" name="k" size="25" class="cpkey" value="" /> 站内<input type="radio" name="nest" value="1" checked="CHECKED" /> 站外<input type="radio" name="nest" value="2" /> <input type="image" class="image" onClick="doAdvancedSearchSubmit('')" value="" src="/template/NEST60028/images/btn.jpg" align="top" > </form> </div> </div> </div> </div> <div class="all"> <div class="main"> <div class="main_left"> <div class="leftitem"> <div class="tit">新闻列表</div> <div class="cates"> <dl> <dt><a href="/news/gsxw/" title="二氧化硒h分n二氧化硒如何提炼">公司新闻</a></dt> <dt><a href="/news/hydt/" title="二氧化硒h分n二氧化硒如何提炼">行业动?/a></dt> <dt><a href="/news/cjwt/" title="二氧化硒h分n二氧化硒如何提炼">常见问题</a></dt> </dl> </div> </div> <div class="leftitem"> <div class="tit">热门新闻</div> <div class="lianxi"> <dl> <dd> <a href="/news/94.html" title="武汉酸铜hgl硫酔R使用">武汉酸铜hgl硫酔R...</a><br/> <a href="/news/93.html" title="正确认识武汉酸铜的使用">正确认识武汉酸铜的使用...</a><br/> <a href="/news/92.html" title="粉">粉...</a><br/> <a href="/news/91.html" title="亚硒酔R的用方法及注意事项">亚硒酔R的用方法及注意...</a><br/> <a href="/news/90.html" title="盐湖酸?>盐湖酸?..</a><br/> </dd> </dl> </div> </div> <div class="leftitem"> <div class="tit">联系我们</div> <div class="lianxi"> <dl> <dt><div class="pvfb">咨询电话</div> <div class="tel">02783298049</div> </dt> <dd> <p>联系:胡亮</p> <p>手机: 13971393459</p> <p>邮箱: <a href="mailto:longlinchem@163.com" rel="nofollow">longlinchem@163.com</a></p> <p>|址:agѶ www.yozne.com</p> <p>地址: 湖北省武汉市东西湖区七雄路立方城?/p> </dd> </dl> </div> </div> </div> <div class="main_right"> <div class="sitemap"><a href="//www.yozne.com/" title="agѶ">agѶ</a> > <a href="/news/gsxw/">公司新闻</a> > 详细内容</div> <div class="content"> <div class="news_xaingxi"><h1>agѶƽ̨:二氧化硒h分n二氧化硒如何提炼</h1></div> <div class="news_author"> 来源Q?a href='//www.yozne.com/news/39.html'>//www.yozne.com/news/39.html</a>   发布旉Q?018-10-10 </div> <div class="news_content"> <p> <a href="//www.yozne.com/">agѶ</a> www.yozne.com <span style="font-size:14px;">二氧化硒h分n二氧化硒如何提炼</span><br /> <br /> <span style="font-size:14px;">下面׃氧化h格教大家几种二氧化硒的提炼方?/span><br /> <br /> <span style="font-size:14px;">1.氧化?硒_加热至220摄氏度熔?通入氧气,在氧气气氛下加热?00摄氏度反应一时,停止加热,通氧气冷却至室温制得产品.</span><br /> <br /> <span style="font-size:14px;">反应式ؓ:Se+O2==SeO2</span><br /> <span style="font-size:14px;">二氧化硒h告诉大家二氧化硒易溶于水,其水溶液呈弱酸?蒸发可得无色l晶的亚酸.二氧化硒和亚酸主要显氧化?当遇到强氧化剂时,它也显还原?</span><br /> <br /> <span style="font-size:14px;">H2SeO3+2SO2+H2O==2H2SO4+Se. (H2SeO3 作氧化剂)</span><br /> <span style="font-size:14px;">H2SeO3+Cl2+H2O==H2SeO4+2HCl. (H2SeO3 作还原剂Q?/span><br /> <p> <br /> </p> <p style="text-align:center;"> <img src="//www.yozne.com/uploads/news/20181010094742.jpg" width="273" height="300" title="" align="" alt="" /> </p> <p> <br /> </p> <span style="font-size:14px;">2.酸(或催化剂)氧化?硒_加入到盛有酸(或催化剂)的反应器中进行反?生成酸溶液,l蒸发浓~?l晶,qo分离,q燥得硒?再在260摄氏度以下加热分解生成二氧化?</span><br /> <br /> <span style="font-size:14px;">二氧化硒h告诉大家酸H2SeO4为无色晶?熔点330K,熔融时ؓ的油状液体.它和酸有许多相似的性质:是一U不挥发的强?有强的吸水?溶于水中攑և大量的热,能有机物炭?它的氧化性比酸强的?</span><br /> <br /> <span style="font-size:14px;">热硒怸盐酸的混合液像王水一?可以溶解?</span><br /> <span style="font-size:14px;">亚硒酸和酸都能形成正盐和酸式盐.酸盐和酸盐是同结构的.酸的钡盐和铅盐与硫酸的钡盐和铅盐一样都是难溶的.</span><br /> <br /> <span style="font-size:14px;">以上是二氧化硒h分n的信息,如果惌了解更多Q请x我们Q?/span><br /> <br /> <span style="font-size:14px;"></span></p> </div> <div class="pagess"> <ul class="pvfb"><div class="pvfb">上一?<a href="40.html">酸锌厂家告诉大家吃什么食物补?/a></div> <div class="pvfb">下一?<a href="38.html">方解石生产厂家浅谈方解石的用途及应用</a></div> </ul> </div> <div class="info_key">相关标签Q?a href='/key.aspx?k=%b6%fe%d1%f5%bb%af%ce%f8%bc%db%b8%f1'>二氧化硒h</a>,</div> </div> <div class="clear"></div> <div class="cateslist"> <dl> <dt>相关产品</dt> <dd> <div class="img"> <a href="/supply/49.html" title="二氧化硒" rel="nofollow"><img src="//cmsimgshow.zhuchao.cc/33663/201807061530126543366350288.jpg?path=www.longlinchem.com/uploads/cp/201807061530126543366350288.jpg" title="二氧化硒" alt="二氧化硒"/></a> </div> <div class="txt"> <a href="/supply/49.html" title="二氧化硒" rel="nofollow">二氧化硒</a> </div> </dd> </dl> </div> <div class="zklist"> <div class="zklist-T">相关新闻</div> <div class="zklist-C"> <ul class="pvfb"> <li class="pvfb"><a href="/news/39.html" title="二氧化硒h分n二氧化硒如何提炼" rel="nofollow">二氧化硒h分n二氧化硒如何提炼</a></li> </ul> </div> </div> </div> </div> </div> <div class="clearfloat"></div> <div class="footer"> <div class="foot"> <div class="foot_u"> <a href="//www.yozne.com/" title="agѶ">agѶ</a>| <a href="/about/" title="" rel="nofollow">关于我们</a>| <a href="/supply/" title="" rel="nofollow">产品展示</a>| <a href="/news/" title="" rel="nofollow">新闻资讯</a>| <a href="/sitemap.html">|站地图</a>| <a href="/sitemap.xml">XML</a>| <a href="/changecity.html">城市分站</a>| <a href="/4g/" target="_blank">手机|站</a>| <a href="/contact/" title="" rel="nofollow">联系我们</a> </div> <div class="foot_d"> <div class="foot_l"> Copyright©agѶ www.yozne.com(<a title="复制链接" href="javascript:copyURL();" target="_parent" rel="nofollow">复制链接</a>) 武汉市龙临化工有限公? <br /> 氧化铒生产厂家哪家好Q供应订做多钱Q亚酸钠生产厂家怎么P诚信公司专业以批发h格大量现货提供亚酸钠厂家、工业硒_h根{氧化铒h、二氧化h格等品质优良的品及报hQ欢q来는产定Ӟ<br /> 备案P<a target="_blank" rel="nofollow">鄂ICP?2007026?1</a>   Powered by<a href="//www.yozne.com/" title="agѶ">agѶ</a>   地址Q湖北省武汉市东西湖Z雄\立方城内  全国服务热线Q?2783298049  邮箱Q?a href="mailto:longlinchem@163.com">longlinchem@163.com</a> <br /> <p>热门城市推广:</p> <p><a target="_blank">技术支持:武汉|站优化</a></p> </div> <div class="foot_r"><img src="/template/NEST60028/images/weix.jpg" width="125" height="125" alt="" /></div> </div> </div> </div> <script>(function(){ var src = (document.location.protocol == "") ? 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