中科惠分GC-7820车用汽油专用色谱�?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><span>在汽油中加入醚类和醇类和其他含氧化合物可以提高辛烷值及降低挥发性，所加含氧化合物的类型和浓度都有规定，并应加以调整，以便保证达到商品汽油的质量要求。驱动性、蒸气压、相分离，汽车尾气排放和挥发性汽车排放物都与燃料的含氧化合物有一定的关系。因此，含氧化合物的准确检测对于汽油质量等各方面都有重要的意义。另外，苯和甲苯的含量对于汽油质量也非常重要、�/span></p><p><span><span><strong></strong></span></span></p><p><span><span><strong><span>仪器特点９�/span></strong></span></span></p><ul><li><p><span><span>　显示窗口采用进口真空荧光屏，阳光照射下依然清晰。仪器操作界面中英文操作系统、�/span></span></p></li><li><p><span><span>　采用了先进的10/100M自适应以太网通信接口、内置IP协议栈，便于可轻松组成局域网、互联网实现远距离数据传输、�/span></span></p></li><li><p><span><span>　内部设计3个独立的连接线程，看连接到本地处理、单位主管以及上级主管部门，方便单位主管以及上级主管部门实时监控仪器的运行和对数据的分析、�/span></span></p></li><li><p><span><span>　配备的IBrain工作站，可以支持多台色谱�?253)同时工作，实现数据处理以及反控、�/span></span></p></li><li><p><span><span>　IBrain工作站内建的Modbus/TCP服务器，可以方便地使分析结果接入DCS(集散控制系统)、�/span></span></p></li><li><p><span><span>　采用模块化设计、便于升级。选配多种高性能检测器，如FID、TCD、ECD、FPD和NPD检测器，满足复杂的样品分析、�/span></span></p></li><li><p><span><span>　彻底摒弃了传统指针式压力表，加载EPC技术进行气路控制。实现了气路故障自我保护、自动点火、自动开启气路，达到了一键启动、�/span></span></p></li><li><p><span><span>　设计定时启动程序，可以轻松的完成气体、液体样品的在线分析(配备进样部件)、�/span></span></p></li></ul><p></p><p><span><span><strong><span>分析方法</span></strong><span>９�/span></span></p><p><span><span>含氧化合物分析：将内标乙二醇二甲基醚（DME）加入样品中，首先进入TCEP预切柱，放空轻烃，然后在甲基环戊烷和甲基叔丁基醚之间切换，让含氧化合物进入WCOT柱，待叔戊基甲基醚流出后，再反吹重烃组分、�/span></span></p><p><span><span>苯和甲苯分析：将内标2-己酮加入样品中，首先进入TCEP预切柱，放空C9和比C<sub><span>9</span></sub>轻的非芳烃，然后在苯流出之前切换，让苯、甲苯�?-己酮进入WCOT柱，�?-己酮流出后，再反吹剩余组分（C<sub><span>8</span></sub>和C<sub><span>8</span></sub>以上芳烃及C<sub><span>10</span></sub>和C<sub><span>10</span></sub>以上非芳�?</span></span></p><p><span><span><strong><span>执行标准９�/span></strong></span></span></p><p><span><span><strong>GB 17930-2011《车用汽油《�/strong></span></span></p><p><span><span><strong>GB 18351-2004《车用乙醇汽油《�/strong></span></span></p><p><span><span><strong>SH/T 0663-1998《汽油中醇类和醚类含量测定《�/strong></span></span></p><p><span><strong>SH/T 0693-2000《汽油中芳烃含量测定《�/strong></span></p><p><span><span>流路示意图：</span></span></p><div><span><span></span></span></div><p><span><span><strong><span>产品参数</span></strong></span></span></p><p><span><span>　　1.工作条件</span></span></p><p><span><span>　　电源�?20V�?0Hz 环境温度�?5℃～35 ℂ�/span></span></p><p><span><span>　　环境湿度�?%�?5%</span></span></p><p><span><span>　　2.柱箱</span></span></p><p><span><span>　　炉膛尺寸�?8��30��17cm</span></span></p><p><span><span>　　操作温度范围：室�?5℃至450ℂ�/span></span></p><p><span><span>　　温度设定精度�?.01ℂ�/span></span></p><p><span><span>　　程序升温速度�?*120�?min</span></span></p><p><span><span>　　程序升温阶数�?6阵�/span></span></p><p><span><span>　　3、进样口</span></span></p><p><span><span>　　多种进样口可配：填充柱进样口，分流不分流进样口，</span></span></p><p><span><span>　　4、全进口阀配置系统</span></span></p><p><span><span>　　可搭载多个自动控制阀，可自动序列运行(四通阀、六通阀、十通阀以及液体进样阀可�?</span></span></p><p><span><span>　　辅助电子流路控制模块(可压�?流量控制模式)</span></span></p><p><span><span>　　5、检测器</span></span></p><p><span><span>　　氢火焰离子化检测器(FID)</span></span></p><p><span><span>　　1)信号放大板经特殊处理，在恶劣环境下始终稳宙�/span></span></p><p><span><span>　　2)自动点火，氢气防泄露，灭火自动断气断电等保护功能</span></span></p><p><span><span>3)*小检出限<5皮克 �?�?正十六烷) </span></span></p><p><span><strong><span><span>GC-7820的测定组分：</span></span></strong></span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><span><span>组分类别</span></span></p></td><td colspan="3"><p><span><span>组分名称</span></span></p></td></tr><tr><td rowspan="3"><p><span><span>醇类</span></span></p></td><td><p><span><span>甲醇</span></span></p></td><td><p><span><span>乙醇</span></span></p></td><td><p><span><span>异丙醆�/span></span></p></td></tr><tr><td><p><span><span>叔丁醆�/span></span></p></td><td><p><span><span>正丙醆�/span></span></p></td><td><p><span><span>仲丁醆�/span></span></p></td></tr><tr><td><p><span><span>异丁醆�/span></span></p></td><td><p><span><span>叔戊醆�/span></span></p></td><td><p><span><span>正丁醆�/span></span></p></td></tr><tr><td><p><span><span>醚类</span></span></p></td><td><p><span><span>甲基叔丁基醚</span></span></p></td><td><p><span><span>二异丙醚</span></span></p></td><td><p><span><span>叔戊基甲醙�/span></span></p></td></tr><tr><td><p><span><span>芳烃籺�/span></span></p></td><td><p><span><span>�?/span></span></p></td><td><p><span><span>甲苯</span></span></p></td><td></td></tr></tbody></table><p><span><span><strong><span>典型谱图</span></strong></span></span></p><p></span></p><p><span><span>�? 汽油中含氧化合物标准样品国�/span></span></p><p><span><span></span></span></p><p><span><span>�? 某品牌汽油中含氧化合物样品谱国�/span></span></p><p><span><span></span></span></p><p><span><span>�? 汽油中苯，甲苯标准样品谱国�/span></span></p><p><span><span></span></span></p><p><span><span>�? 某品牌汽油中芳烃检测谱国�/span></span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="284898" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">