5B-2H COD测定�?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"> <div> 联系电话� 010-59483169</p><p> 5B-2(H)多参数智能测定仪技术参数： </p><p> 控温范围�?0�?90� </p><p> 测定范围：COD:2�?0000mg/L(分段)：�/p><p> 氨氮:0.02�?0mg/L(分段)：�/p><p> 总磷:0.02�?mg/L(分段) </p><p> 批处理样�?2/25/36(选配)</p><p> 抗氯干扰：[Cl－]�?000mg/L 、[Cl－]�?0000mg/L(可�?</p><p> � � 度：COD=20mg/L V<10％、COD=200mg/L V<4.3� </p><p> 波长范围�?20nm�?60nm�?10nm�?60nm�?10nm�?00nm </p><p> 波长精度�?#177;2nm </p><p> 曲线数量�?6� </p><p> 存储数据�?000� </p><p> 定时开关：3/9�?可�? </p><p> 显示模式：液晶LCD </p><p> 操作按键：中�?英文(可�? </p><p> 参数切换：自� </p><p> 比色方式：比色皿(�?和消解比色管</p><p> 供电方式：高能电池、汽车点烟器、交直流电源 </p><p> 5B-2(H)多参数智能测定仪功能特点９�/p><p> 直接测定COD、氨氮、总磷、浊度等多项参数，浓度直� 测定参数随光路的切换自动切换 内存90条标准曲线可自行修定并保� 内存6条多点回归拟和曲线，可自动计算并保存 无须手动制作曲线，仪器可自动根据标准样品来计算存储曲� 可精确存�?000个测定数�?包括测定时间、参数、数�? 打印当前数据和所有存储历史数� 向PC机传输当前数据和所有存储的历史数据 消解功率随负载数量自动调整，做到真实恒温控制 自动恒温提醒、自动倒计时提醒，定时时间可随意调节保字�/p><p> 在二十世纪八十年代初，我所发明了催化快速测定污水中化学需氧量(COD)的方法；并在中国**研制�?*代实验室用COD速测仪，用以替代长期以来国内外普遍使用的�?小时回流消解、滴定求值”的测定方法，使其具备快速、低耗、简便、准确、可靠等特点。将测定COD需�?�?个小时的传统方法变成历史� </p><p> 本仪器采用一种特制试剂，它含有一种复合催化剂，既加速反应，又对氯离子具有抗干扰作用。水样与特制试剂D和试剂E在消解器中进行快速氧化还原反应，反应后产生的三价铬离子，通过分光光度法测定其浓度，从而得出相应COD值、�/p><p> 在九十年代初期，我们又成功开发出了用仪器测定地表水方法，长期以来，我国用Mn法和Cr法测定地表水误差大，操作烦琐、精度及准确度低；而使用我所5B-3(B)型COD速测仪测定地表水可以达到快速、准确、可靠的效果、�/p><p> 5B-3C便携COD速测仪为我公司第六代产品，无论从稳定性、准确性、还是测定范围、实用性都有很大的改进。可适合不同用户的多种需求，多项功能并获国家**，可在化工、石油、焦化、造纸、冶金、酿造、医药等工业废水及各种生活污水监测应用、�/p><p> 5B-3(C)型COD速测仪为智能型，是能够准确测定工业废水、生活污水、中水及江湖流域化学耗氧�?COD)的良好工具之一、�/p><p></div> 联系电话� 010-59483169 </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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