智能氨氮测定�?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"> <p><strong></strong></p><p><strong><span><strong>智能氨氮测定�?/strong></span></strong></p><p><strong></strong></p><p><strong></strong></p><p><strong>一、产品介绍：</strong></p><p><span> WY-NH-100A型氨氮快速测定仪，以游离态的氨或铵离子等形式存在的氨氮与纳氏试剂反应生成淡黄棕色络合物，该络合物的吸光度与氨氮含量成正比，利用比色法比色，经过微电脑芯片计算后直接显示氨氮含量（mg/L）。氨氮（NH3-N）以游离氨（NH3）或铵盐（NH4+）形式存在于水中，两者的组成比取决于水的pH值。当pH值偏高时，游离氨的比例较高。反之，则铵盐的比例为高。水中氨氮的来源主要为生活污水中含氮有机物受微生物作用的分解产物，某些工业废水，如焦化废水和合成氨化肥厂废水等，以及农田排水。此外，在无氧环境中，水中存在的亚硝酸盐亦可受微生物作用，还原为氨。在有氧环境中，水中氨亦可转变为亚硝酸盐、甚至继续转变为硝酸盐� 测定水中各种形态的氮化合物，有助于评价水体被污染和“自净”状况。氨氮含量较高时，对鱼类则可呈现毒害作用、�/span></p><p><strong></strong></p><p><strong></strong></p><p><span><strong><span>二、产品参数：</span></strong></span></p><p><span><strong></strong></span></p><p><span><strong><span>（一）、经济型氨氮检测仪９�/span></strong></span></p><p><span>1、测量范围：0.02-25mg/L（分为二个量程： 0�?mg/L�?�?5mg/L。超量程可稀释后测定（�/span></p><p><span>2、基本误差：��3%(F.S)</span></p><p><span>3、重复性：�?%</span></p><p><span>4、外形尺寸：282mm��237mm��102mm</span></p><p><span>5、重量：500g</span></p><p><span>6、环境温度：5-40�?/span></p><p><span>7、相对湿度：�?5%</span></p><p><span><strong>（二）、智能型氨氮检测仪９�/strong></span></p><p><span>1、测定方法：纳氏比色泔�/span></p><p><span>2、测定范围：�? � 50mg/L（�/span></p><p><span>3、测量误差：�?#177;5 %</span></p><p><span>4、曲线参数：可设�?00条测量曲线参�?/span></p><p><span>5、校准：1-7点校正模式，自动校正曲线倻�/span></p><p><span>6、内置实时时钟，实时时钟月累积误差小�?0科�/span></p><p><span>7、记录存储：可存�?0000次测定结果，数据断电永不丢失</span></p><p><span>8、打印：便携式打印机，直接打印测量结果（选配（�/span></p><p><span>9、通信方式：RS232，可将测量结果上传至电脑，便于用户统计分枏�/span></p><p><span>10、显示：240*128大屏幕蓝色背光显示器，中文操作界靡�/span></p><p><span>11、环境温度：�?- 40）℃� 环境湿度：相对湿度＜ 85%（无冷凝（�/span></p><p><span>12、工作电源：AC220V��10% / 50Hz，DC+8V，直流供电可连续工作48小时</span></p><p><strong></strong></p><p><strong></strong></p><p><strong><span>三、产品特点：</span></strong></p><p><span>1、用进口高性能、长寿命、高亮度光源，配以高稳定性光学系统，使仪器重复性、精度更高、�/span></p><p><span>2、用高性能、低功�?6位单片机及大屏幕LCD，汉字菜单，操作方便，显示直观、�/span></p><p><span>3、记录可保存及查询，<strong><span>数据断电不丢失、�/span></strong></span></p><p><span>4、仪器方便小巧，方便携带现场检测、�/span></p><p><span>5、冷光源、窄带干涉光学系统，光学稳定性好、�/span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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