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       <h1 class="ny_newsdetail_title">COD消解管的简介和特点说明 </h1>
       <div class="ny_newsdetail_tips">更新时间：2018-04-15&nbsp;&nbsp;|&nbsp;&nbsp;点击率：4344</div>
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          &nbsp;<strong><a href="http://www.shzm17.com/" target="_blank">COD消解管</a></strong>的简介： &nbsp;<div>&nbsp; &nbsp; 国家标准GB11914-89分析方法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、氧化剂和催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。 &nbsp;</div><div>&nbsp; &nbsp; <strong>COD消解管</strong>遵循了标准（ISO）和国家标准（GB）的基本原则，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。 &nbsp;</div><div>COD消解管特点： &nbsp;</div><div>&nbsp; &nbsp; COD消解管采用微机技术进行定时控制加热电炉，可对6个24号标准磨口的250mL锥形瓶回流装置同时进行加热。达到节能、减低电力负荷、提率的目的。 &nbsp;</div><div>&nbsp; &nbsp; COD消解管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，既可以节水又能使仪器规范化，同时还提高了仪器使用的安全性。 &nbsp;</div><div>&nbsp; &nbsp; <strong>COD消解管</strong>的化学溶液配制、操作和COD的计算*遵照GB11914-89，低于50mg/L的COD水样可通过稀释滴定剂和氧化剂来提高度，高于1000mg/L的COD水样，可以通过水样的比例稀释来完成测定。</div>
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