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       <h1 class="ny_newsdetail_title">一文搞定硝酸盐试剂盒的检测原理与特点</h1>
       <div class="ny_newsdetail_tips">更新时间：2021-09-28&nbsp;&nbsp;|&nbsp;&nbsp;点击率：1952</div>
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          &nbsp;　　硝酸盐是硝酸衍生的化合物的统称，一般为金属离子或与硝酸根离子组成的盐类。<div>　　硝酸盐是离子化合物，含有硝酸根离子NO3-和对应的正离子，如中的NH4+离子。</div><div>　　硝酸盐几乎全部易溶于水，只有微溶于水，碱式硝酸铋难溶于水，所以溶液中硝酸根不能被其他绝大多数沉淀。</div><div>　　<strong><a href="http://www.shzm17.com/shzmhb-SonList-1701328/" target="_blank">硝酸盐试剂盒</a></strong>包括所有土壤、水分和植物组织样品中硝酸盐制备、测量的配置。本测量系统已在农业、园艺领域以及植物研究机构中应用多年。效果良好，品质优良。</div><div>　　<strong>硝酸盐试剂盒的检测原理</strong>：</div><div>　　食品中的硝酸盐与显色剂反应生成有色化合物，采用目视比色分析方法，从而直接在硝酸盐色阶卡上读出食品中硝酸盐的含量。</div><div>　　检测范围：</div><div>　　饮水、蔬菜、粮食、鱼、肉制品、渍酸菜、腌制、熏制、腊制的鱼、肉类、香肠、腊肉、火腿、罐头食品、渍酸菜、盐腌不久的菜</div><div>　　<strong>硝酸盐试剂盒的特点</strong>：</div><div>　　1、检测速度快，测量一个样品只需5分钟。</div><div>　　2、操作简便，无需专业技术人员。</div><div>　　技术指标：定性检测</div><div>　　操作过程：</div><div>　　1、固体样品：用剪刀剪碎样品约1g于提取瓶中，加3ml温水，静置5min后，取0.25ml上清液于1.5ml离心管，加0.25g硝酸盐试剂A，再加入5滴硝酸盐试剂B，观察颜色；</div><div>　　2、液体样品：取0.25ml液体样品于1.5ml离心管，加入0.25g硝酸盐试剂A，再加入5滴硝酸盐试剂B，5min后观察颜色；</div><div>　　3、观察判断：显示蓝色说明样品中有硝酸盐存在；</div>
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