Picarro OC/EC-CRDS大气颗粒物碳同位素分析系�?参数-价格-中国粉体罐�/title>

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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <h3><strong><span>产品特点９�/span></strong></h3><p><span>? </span> 准确测量 OC/EC � ��13C 等参� </span></p><p><span>? </span> 在线、实时对环境大气颗粒物的 ��13C 进行高频率分枏�/span></p><p><span>? </span> � per-mil 级的精度，与 IRMS 相比准确度在 0.4� 以内 </span></p><p><span>? </span>无可比拟的低成本与高效率，可 在实验室或现场环境下部署使用</span></p><h3><strong><span>产品简介：</span></strong></h3><p><span>有机碳（OC）和元素碳（EC）是影响大气颗粒 物浓度（PM2.5/PM10）的主要来源，其中前者具 有较高的吸附活性，在空气的流动中会捕获污染 物，由此发生形态的变化；后者主要吸收可见光� 红外光，它在空气中的浓度变化，会直接影响着� 见度。由于其直接和间接的气候效应，从而影响降 水酸度、改变平流层臭氧和光化学烟雾、参与全� 生物地球化学循环、降低能见度和影响生态系� 等，受到越来越多的关注、�/span></p><p><span>不同污染源释放出的气溶胶颗粒物，不但其全� 稳定同位素比有差异，其中的有机碳（OC）和� 素碳（EC）的稳定碳同位素� ��13 C 也会有所� 同。Picarro OC/EC–CRDS 整合了在� OC/EC 分析 仪以及基于光腔衰荡光谱（CRDS）的碳同位素分析 仪，该系统能够实现每小时对收集的大气颗粒物样 品中的各种碳稳定同位素比进行原位在线分析，实 现对污染源进行实时解析，有效助力对气溶胶形成 源头与输送过程的研究、�/span></p><p><span>大气颗粒物碳同位素分析系统前端为大气气溶 胶颗粒物 OC/EC 分析仪。样品通过精确控制的加� 腔室，在氩气环境下从滤膜上被热解吸或氧化，之 后进入氧化腔室。氧化生成的 CO2 气体导入套件 并进� CRDS 分析仪（G2131-i � G2201-i），� 统针对有机碳与元素碳产生不同� CO2 脉冲峰，� � per-mil 的准确度和精确度分析 ��13C-CO2 。该 系统可在无人值守的情况下自主运行，故而适用� 远程现场部署、�/span></p><p><span></span></p><p><span></span></p><p><span></span></p><p><span></span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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