0.1mol/L硫酸铈溶液

13590-82-4|0.1mol/L硫酸铈溶液

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包邮满30000包邮

货品编号：

C26645-500ml

品牌：

FU试剂

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品牌：FU试剂
所属分类：专用试剂
商品编号：G618A090256C6D

<p> </p>
<div><table border="0" cellpadding="0" cellspacing="0" width="480" height="38" style="border-collapse:collapse;width:360.02pt;">
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 <col width="107" style="width:80.25pt;">
 <col width="100" style="width:75.00pt;">
 <col width="150" style="width:112.50pt;">
 </colgroup><tbody><tr height="19" style="height:14.25pt;">
  <td class="et2" height="19" width="123" x:str="" style="height:14.25pt;width:92.25pt;">货号</td>
  <td class="et2" width="107" x:str="" style="width:80.25pt;">CAS</td>
  <td class="et2" width="100" x:str="" style="width:75.00pt;">产品名称</td>
  <td class="et2" width="150" x:str="" style="width:112.50pt;">含量</td>
 </tr>
 <tr height="19" style="height:14.25pt;">
  <td class="et2" height="19" x:str="" style="height:14.25pt;">C26645-500ml</td>
  <td class="et4" x:str="">[13590-82-4]</td>
  <td class="et4" x:str="">硫酸铈溶液</td>
  <td class="et6" x:str="">0.1mol/L</td>
 </tr>
</tbody></table></div><p> </p>
<div><section data-role="title" data-tools="135编辑器" data-id="107046" style="margin: 0px; padding: 0px;"><section style="margin: 10px auto; padding: 0px; text-align: center;"><section style="margin: 0px; padding: 0px; display: inline-block;"><section style="margin: 0px 3px 0px 0px; padding: 0px; display: flex; align-items: flex-end;"><section style="margin: 0px; padding: 0px;"><section data-id="106514" data-tools="135编辑器" style="margin: 10px auto; padding: 0px;"><section style="margin: 0px; padding: 0px; display: inline-block;"><section style="margin: 0px; padding: 0px; box-sizing: border-box; width: 15px;">
<img data-ratio="0.7333333333333333" src="https://mmbiz.qpic.cn/mmbiz_png/JaFvPvvA2J0Ff5jmwEuylPOsAEvprFDpHjKMia3J7lm8SgUdMrMEpwuer3oaassZnNCntont4xLGuNLvyqjkPtg/640?wx_fmt=png" data-type="png" data-w="24" data-width="100%" style="margin: 0px; padding: 0px; max-width: 100%; height: auto !important; box-sizing: border-box; vertical-align: inherit; width: 15px; display: block;"></section><section data-brushtype="text" hm_fix="316:233" style="margin: 0px 0px 0px 12px; padding: 0px; font-size: 16px; letter-spacing: 1.5px; color: rgb(252, 121, 123);"><span style="margin: 0px; padding: 0px; color: rgb(0, 0, 0);"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-size: 20px;">硫酸铈滴定液的应用</span></strong></span></section><section style="margin: 0px 0px 0px 8px; padding: 0px; box-sizing: border-box; width: 55px;">
<img class="rich_pages wxw-img" data-ratio="0.14545454545454545" src="https://mmbiz.qpic.cn/mmbiz_png/JaFvPvvA2J0Ff5jmwEuylPOsAEvprFDp41LKLqr3poboQ5ZdiauHpN5jpwpjslcdkngK5g6OSztSthFqCkMVj3A/640?wx_fmt=png" data-type="png" data-w="86" data-width="100%" data-imgqrcoded="1" style="margin: 0px; padding: 0px; max-width: 100%; height: auto !important; vertical-align: inherit; box-sizing: border-box; width: 55px; display: block;"></section></section></section></section></section></section></section></section><section data-role="paragraph" style="margin: 0px; padding: 0px;"><section data-tools="135编辑器" data-id="106810" style="margin: 0px; padding: 0px;"><section style="margin: 10px auto; padding: 0px; text-align: center;"><section style="margin: 0px 20px 0px 0px; padding: 0px;"><section style="margin: 0px; padding: 0px; display: inline-block;"><section data-brushtype="text" style="margin: 0px; padding: 0px 5px; letter-spacing: 0.5px; color: rgb(51, 26, 97); box-sizing: border-box;"><span style="margin: 0px; padding: 0px; font-size: 19px;"><strong style="margin: 0px; padding: 0px;">铈量法的定义及原理</strong></span></section><section data-brushtype="text" style="margin: 0px; padding: 0px 5px; letter-spacing: 0.5px; color: rgb(51, 26, 97); box-sizing: border-box;"><br style="margin: 0px; padding: 0px;"></section></section><section style="margin: -13px 0px 0px; padding: 30px 0px 0px 25px; border-width: 1px; border-style: solid; border-color: rgb(73, 42, 130); border-radius: 30px; box-sizing: border-box;"><section style="margin: 0px; padding: 0px 25px 0px 0px; box-sizing: border-box;"><section style="margin: auto; padding: 0px; box-sizing: border-box; width: 40px; height: 3px; background-color: rgb(255, 165, 82); overflow: hidden;"><br style="margin: 0px; padding: 0px;"></section><section data-brushtype="text" style="margin: 20px 0px 0px; padding: 0px; font-size: 14px; letter-spacing: 1.5px; color: rgb(64, 60, 71); line-height: 1.9em; text-align: left;"><p style="margin: 0px; padding: 0px; clear: both; min-height: 1em; vertical-align: inherit;"><span style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-indent: 28px; font-family: Helvetica, Arial, sans-serif;">硫酸铈滴定液主要是用在铈量法里。</span></p>
<p style="margin: 0px; padding: 0px; clear: both; min-height: 1em; vertical-align: inherit;"></p>
<p style="margin: 0px; padding: 0px; clear: both; min-height: 1em; vertical-align: inherit;"><span style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-indent: 28px; font-family: Helvetica, Arial, sans-serif;">铈量法即采用四价铈盐溶液作滴定剂的容量分析方法。1861年由 L.T.兰格建立。在酸性溶液中，四价铈被还原成三价铈。</span><span style="color: rgb(51, 51, 51); font-family: Helvetica, Arial, sans-serif; text-indent: 28px;">常用硫酸铈的硫酸溶液作滴定剂，它非常稳定，并且易纯制，可用直接法配制标准溶液。</span></p>
</section></section><section style="margin: 0px; padding: 0px; display: flex; justify-content: flex-end; transform: translate(20px, 7px);"><section style="margin: 0px; padding: 0px; box-sizing: border-box; width: 60px;">
<img class="rich_pages wxw-img" data-ratio="1.1166666666666667" src="https://mmbiz.qpic.cn/mmbiz_png/JaFvPvvA2J3urR9m9KBoLXIIknNrZDaM96E0GsortHTQPmlfrpiaDGc37TS0AWFzTn7s36kiawcAZj9gf3Q091hw/640?wx_fmt=png" data-type="png" data-w="77" data-width="100%" style="margin: 0px; padding: 0px; max-width: 100%; height: auto !important; vertical-align: inherit; box-sizing: border-box; width: 60px; display: block;"></section></section></section></section></section></section><p style="margin: 0px; padding: 0px; clear: both; min-height: 1em; vertical-align: inherit;"></p>
<p style="margin: 0px; padding: 0px; clear: both; min-height: 1em; vertical-align: inherit;"></p>
<p style="margin: 0px; padding: 0px; clear: both; min-height: 1em; vertical-align: inherit;"><strong style="color: rgb(51, 26, 97); letter-spacing: 0.5px; text-align: center; margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-size: 19px;">                                                                </span></strong></p>
<section data-tools="135编辑器" data-id="106810" style="margin: 0px; padding: 0px;"><section style="margin: 10px auto; padding: 0px; text-align: center;"><section style="margin: 0px 20px 0px 0px; padding: 0px;"><section style="margin: 0px; padding: 0px; display: inline-block;"><section data-brushtype="text" hm_fix="335:336" style="margin: 0px; padding: 0px 5px; letter-spacing: 0.5px; color: rgb(51, 26, 97); box-sizing: border-box;"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-size: 19px;">铈量法的优点</span></strong></section><section data-brushtype="text" hm_fix="335:336" style="margin: 0px; padding: 0px 5px; letter-spacing: 0.5px; color: rgb(51, 26, 97); box-sizing: border-box;"><br/></section></section><section style="margin: -13px 0px 0px; padding: 30px 0px 0px 25px; border-width: 1px; border-style: solid; border-color: rgb(73, 42, 130); border-radius: 30px; box-sizing: border-box;"><section style="margin: 0px; padding: 0px 25px 0px 0px; box-sizing: border-box;"><section style="margin: auto; padding: 0px; box-sizing: border-box; width: 40px; height: 3px; background-color: rgb(255, 165, 82); overflow: hidden;"><br style="margin: 0px; padding: 0px;"></section><section data-brushtype="text" style="margin: 20px 0px 0px; padding: 0px; font-size: 14px; letter-spacing: 1.5px; color: rgb(64, 60, 71); line-height: 1.9em;"><section label-module="para" data-pid="8" style="margin: 0px 0px 15px; padding: 0px; overflow-wrap: break-word; color: rgb(51, 51, 51); text-indent: 2em; line-height: 24px; zoom: 1; text-align: left; font-family: Helvetica, Arial, sans-serif;">① 硫酸铈的标准溶液可以直接由 Ce(SO<span style="margin: 0px; padding: 0px; font-size: 10.9091px; line-height: 0; vertical-align: baseline; bottom: -0.25em;">4</span>)<span style="margin: 0px; padding: 0px; font-size: 10.9091px; line-height: 0; vertical-align: baseline; bottom: -0.25em;">2</span>(NH<span style="margin: 0px; padding: 0px; font-size: 10.9091px; line-height: 0; vertical-align: baseline; bottom: -0.25em;">4</span>)<span style="margin: 0px; padding: 0px; font-size: 10.9091px; line-height: 0; vertical-align: baseline; bottom: -0.25em;">2</span>SO<span style="margin: 0px; padding: 0px; font-size: 10.9091px; line-height: 0; vertical-align: baseline; bottom: -0.25em;">4`</span>H<span style="margin: 0px; padding: 0px; font-size: 10.9091px; line-height: 0; vertical-align: baseline; bottom: -0.25em;">2</span>O配制且稳定性好，可长期放置。久置，曝光，甚至加热煮沸均不引起浓度变化。</section><section label-module="para" data-pid="9" style="margin: 0px 0px 15px; padding: 0px; overflow-wrap: break-word; color: rgb(51, 51, 51); text-indent: 2em; line-height: 24px; zoom: 1; text-align: left; font-family: Helvetica, Arial, sans-serif;">②选择性高，可在盐酸溶液里直接滴定一些还原剂，而氯离子不会干扰，大多数有机物不与铈作用，不干扰滴定。</section><section label-module="para" data-pid="10" style="margin: 0px 0px 15px; padding: 0px; overflow-wrap: break-word; color: rgb(51, 51, 51); text-indent: 2em; line-height: 24px; zoom: 1; text-align: left; font-family: Helvetica, Arial, sans-serif;">③反应机制简单，副反应少，四价铈被还原为三价铈，只有一个电子转移，无中间价态的产物形成。</section></section></section><section style="margin: 0px; padding: 0px; display: flex; justify-content: flex-end; transform: translate(20px, 7px);"><section style="margin: 0px; padding: 0px; box-sizing: border-box; width: 60px;">
<img class="rich_pages wxw-img" data-ratio="1.1166666666666667" src="https://mmbiz.qpic.cn/mmbiz_png/JaFvPvvA2J3urR9m9KBoLXIIknNrZDaM96E0GsortHTQPmlfrpiaDGc37TS0AWFzTn7s36kiawcAZj9gf3Q091hw/640?wx_fmt=png" data-type="png" data-w="77" data-width="100%" style="margin: 0px; padding: 0px; max-width: 100%; height: auto !important; vertical-align: inherit; box-sizing: border-box; width: 60px; display: block;"></section></section></section></section></section></section><p style="margin: 0px; padding: 0px; clear: both; min-height: 1em; vertical-align: inherit;"></p>
<p style="margin: 0px; padding: 0px; clear: both; min-height: 1em; vertical-align: inherit;"></p>
</section><section data-tools="135编辑器" data-id="106810" style="margin: 0px; padding: 0px;"><section style="margin: 10px auto; padding: 0px; text-align: center;"><section style="margin: 0px 20px 0px 0px; padding: 0px;"><section style="margin: 0px; padding: 0px; display: inline-block;"><section data-brushtype="text" style="margin: 0px; padding: 0px 5px; letter-spacing: 0.5px; color: rgb(51, 26, 97); box-sizing: border-box;"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-size: 19px;">铈量法的应用</span></strong></section><section data-brushtype="text" style="margin: 0px; padding: 0px 5px; letter-spacing: 0.5px; color: rgb(51, 26, 97); box-sizing: border-box;"><br/></section></section><section style="margin: -13px 0px 0px; padding: 30px 0px 0px 25px; border-width: 1px; border-style: solid; border-color: rgb(73, 42, 130); border-radius: 30px; box-sizing: border-box;"><section style="margin: 0px; padding: 0px 25px 0px 0px; box-sizing: border-box;"><section style="margin: auto; padding: 0px; box-sizing: border-box; width: 40px; height: 3px; background-color: rgb(255, 165, 82); overflow: hidden;"><br style="margin: 0px; padding: 0px;"></section><section data-brushtype="text" style="margin: 20px 0px 0px; padding: 0px; font-size: 14px; letter-spacing: 1.5px; color: rgb(64, 60, 71); line-height: 1.9em;"><section label-module="para" data-pid="13" style="margin: 0px 0px 15px; padding: 0px; overflow-wrap: break-word; color: rgb(51, 51, 51); text-indent: 2em; line-height: 24px; zoom: 1; text-align: left; font-family: Helvetica, Arial, sans-serif;">铈量法由于不受制剂中淀粉、糖类的干扰，因此特别适合片剂、糖浆剂等制剂的测定。《中国药典》2005年版采用铈量法测定的药物有：硫酸亚铁片及硫酸亚铁缓释片、葡萄糖酸亚铁及其制剂、富马酸亚铁及其制剂等。</section><section label-module="para" data-pid="14" style="margin: 0px 0px 15px; padding: 0px; overflow-wrap: break-word; color: rgb(51, 51, 51); text-indent: 2em; line-height: 24px; zoom: 1; text-align: left; font-family: Helvetica, Arial, sans-serif;">另外，此方法可以直接测定一些金属的低价化合物，过氧化氢及某些有机还原性物质，如铁，锑，砷，钼等金属含量。</section></section></section><section style="margin: 0px; padding: 0px; display: flex; justify-content: flex-end; transform: translate(20px, 7px);"><section style="margin: 0px; padding: 0px; box-sizing: border-box; width: 60px;">
<img class="rich_pages wxw-img" data-ratio="1.1166666666666667" src="https://mmbiz.qpic.cn/mmbiz_png/JaFvPvvA2J3urR9m9KBoLXIIknNrZDaM96E0GsortHTQPmlfrpiaDGc37TS0AWFzTn7s36kiawcAZj9gf3Q091hw/640?wx_fmt=png" data-type="png" data-w="77" data-width="100%" style="margin: 0px; padding: 0px; max-width: 100%; height: auto !important; vertical-align: inherit; box-sizing: border-box; width: 60px; display: block;"></section></section></section></section></section></section><section data-role="paragraph" style="margin: 0px; padding: 0px;"><p style="margin: 0px; padding: 0px; clear: both; min-height: 1em; vertical-align: inherit;"></p>
</section><section data-role="paragraph" style="margin: 0px; padding: 0px;"><section data-role="paragraph" style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; text-align: justify;"><p style="margin: 0px; padding: 0px; clear: both; min-height: 1em; vertical-align: inherit;"></p>
</section><section data-role="paragraph" style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: mp-quote, -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; text-align: justify;"></section></section></div>