5管标准COD消解�?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"> <p><span>1�?/span><span>遵循了国际标准（</span>ISO）和国家标准（GB11914-89）的基本原则，规范地制定了水质化学需氧量COD（cr)的测定步骤，严格地规定了方法的加热消解时间、溶液酸度、氧化剂的用量等条件指标。显而易见，水质COD（cr）的测定是有严格的条件规定，违背了条件规定进行操作，就会影响测定的准确性、�/span></p><p><span>2、KY-100型标准COD消解器保证了回流加热微沸2小时的消解操作，试剂溶液的配制和加入量都和GB法一致，确保可靠的分析结果、�/span></p><p><span>3、KY-100型标准COD消解器采用微机技术进行定时控制加热电炉，可对5个（定做）�?个（标配）�?个（定做）�?0个（定做）�?2个（定做�?50ML锥形消解回流装置同时进行加热�?0个�?2个样品为圆柱瓶）。达到节能、减低电力负荷、节水、提高效率的目的、�/span></p><p><span>4、KY-100型标准COD消解器采用玻璃毛刺回流管代替球形回流管，并以风冷技术取代自来水冷却方式，既可节水又能使仪器规范化，同时还提高了仪器使用的安全性、�/span></p><p><span>5、本仪器的化学溶液配制、操作和COD值的计算完全遵照GB11914-89，COD值低�?0mg/L的水样可通过稀释滴定剂和氧化剂来提高度，高�?000mg/L的COD水样，可以通过水样的比例稀释来完成测定、�/span></p><p><strong><span>二、技术参�?/span></strong></p><p><span>1、表面耐腐、保温型</span></p><p><span>2、无需倒入其他瓶中，三角烧杯加热后可直接测量，方便使用</span></p><p><span>3、节能、降低电力负荷、提高效玆�/span></p><p><span>4、加热均匀、使用寿命长</span></p><p><span>5、带刺回流管、冷却效果好</span></p><p><span>6、具有风冷功能、经济实�?/span></p><p><strong><span>三、性能参数９�/span></strong></p><p><span>1、测量范围：0-1000mg/L�?-10000mg/L（水样稀释）</span></p><p><span>2、温度范围：165℃国家标准规宙�/span></p><p><span>3、设定时间：0-999分钟任意设定</span></p><p><span>4、测量时间：不大�?h</span></p><p><span>5、测量误差：邻苯二甲酸氢钾标准溶液（500mg/L）、相对标准偏不大�?.0%</span></p><p><span>工业有机废水＇�/span>500mg/L)、相对标准偏不大�?.0%</span></p><p><span>6、环境温度：5-40ℂ�/span></p><p><span>7、加热功率：1300W（AC 220��22V�?0HZ（�/span></p><p><span>8、消解样品：5个样品——锥形瓶</span></p><p><span>6个样品——锥形瓶</span></p><p><span>8个样�?/span><span>—–�/span><span>锥形瓶圆柱瓶</span></p><p><span>10个样�?/span><span>—–�/span><span>圆柱瓵�/span></p><p><span>12个样�?/span><span>—–�/span><span>圆柱瓵�/span></p><p><span>9、消解容积：250ML</span></p><p><span>10.电源：AC220V 50Hz</span></p><p><span>温馨提示：用户可选配滴定加液器配套使用，使分析时间更快，分析准确度更高、�/span></p><p><strong><span>四实验步骤：</span></strong></p><p><span>带有</span>24号标准磨口的250mL锥形瓶加�?0ml试样，加�?.250mol/L重铬酸钾标准溶液10.0mL和几颗防爆沸玻璃珠，摇匀。将锥形瓶接到毛刺冷凝管下端。从冷凝管上端缓慢加�?0mL硫酸�?硫酸试剂，以防止低沸点有机物的逸出，不断旋动锥形瓶使之混合均匀。开启聚创标准COD消解器，设定消解时间，自溶液开始沸腾起回流两小时。冷却后，用30mL蒸馏水自冷凝管上端冲洗冷凝管后，取下锥形瓶，再用蒸馏水稀释至140mL左右（即总加蒸馏�?0ml）。溶液冷却至室温后，加入3�?�?0-菲绕啉指示剂溶液，混合均匀。用硫酸亚铁铵标准滴定溶液滴定，溶液的颜色有黄色经蓝绿色变为红褐色即为终炸�/span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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