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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><span>- 工作原理９�/span></p><p>总磷：（符合国标GB11893-89）：过硫酸盐做氧化剂，在120℃条件下加热消解30 min，将磷化物转化成磷酸根离子，钼蓝吸光光度法测量总磷含量。（测量波长�?00 nm（�/p><p>总氮：（符合标准HJ636-2012）：过硫酸盐做氧化剂，在120℃条件下加热消解30 min，将含氮化物转化成硝酸根离子，样品溶液的pH调节�?-3；紫外光吸光光度法检测硝酸盐的吸光度、�/p><p><span>- 应用行业９�/span></p><p>地表水、市政污水、工业废水的总磷、总氮自动监测、�/p><p><span>- 仪器特点９�/span></p><p>与NPW-160相比，节�?0%试剂用量� 同时减少试剂更换频率和废液产生量、�/p><p>采用符合国家标准�?20℃�?0 min加热分解法，与实验室比对一致性更佳、�/p><p>一体化、小型化设计，简化了管线连接，方便维护保养、�/p><p>触摸屏式操作界面，柜门关闭状态下亦可操作</p><p>独自设计的加热分解装置，避免了相互干扰、�/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"}); 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