FC-8800游离二氧化硅分析�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><span>电力和煤炭行业生产环境中粉尘的种类较夙�span>� </span>主要有矽尘、煤尘、锅炉尘、石棉尘、水泥尘、电焊烟尘等<span>� </span>其特点是粉尘中游离二氧化硅含量较髗�span>� </span>粉尘的分散度也比较高<span>� </span>即多为呼吸性粉尗�span>� </span>因此对接尘人员的危害较大。根据生产性粉尘的理化性质、空气中浓度、进入人体的量和作用部位<span>� </span>产生的危害也有不吋�span>� </span>主要包括鼻炎、咽炎、气管炎、支气管炎等呼吸系统疾病。我国政府以及电力和煤炭行业部门对防尘工作高度重觅�span>� </span>因此<span>� </span>加强对粉尘中游离二氧化硅含量的检测是一件非常重要和紧迫的工作。以往检测粉尘中游离二氧化硅含量<span>� </span>均采用《作业场所空气中粉尘测定方法《�span>(GB5748</span>–�span>85) </span>规定的“焦磷酸重量法“�span>� </span>该方法存在操作步骤复杂、使用试剂种类繁多、检测周期长、准确性差、试验室条件要求苛刻等一系列问题<span>� </span>难以满足现场批量检测的要求、�/span></p><p><span>我国测定作业场所粉尘中游离二氧化硅很多仍沿用焦磷酸重量法，该法需用试样量�?span>＋�/span>一般只能测定矿<span>(</span>�?span>)</span>石或自然降尘栶�span>＋�/span>对呼吸性粉尘中的游离二氧化硅尚无法直接测定。国外常�?span> X</span>—射线衍射法和红外法。由于红外法的仪器价格较便宜<span>＋�/span>也不会产生对人体有害的放射性辐尃�span>＋�/span>故很受重视。美英等国已把红外法作为测定煤尘中游离二氧化硅的标准方法。为了提高检测的准确�?span>� </span>实现批量检测的目的<span>＋�/span>根据红外光谱法原理专门研刵�span>FC-8800</span>型游离二氧化硅分析仪用来检测游离二氧化硅含量、�/span></p><p><strong><span>仪器简今�/span></strong></p><p><span>FC-8800</span><span>是中科瑞捷（天津）科技有限公司精心自主研发的一款采用傅立叶变换技术的游离二氧化硅分析仪，它具有安装便捷、使用简单、维护方便等特点 、�/span></p><p><strong><span>符合标准</span></strong></p><p><span>完全符合</span><span>GBZ/T 192.4</span><span>–�/span><span>2007</span><span>工作场所空气中粉尘测� �?span>4</span>部分：游离二氧化硅含野�/span><span>国标检测要汁�/span><span>、�/span></p><p><strong><span>产品特点</span></strong></p><p><span>� 部分光学部件采用高精密金刚石车床加工，系统具有极高的一致性、稳定性；</span></p><p><span>◆进口特种钢材导轨，重载荷，超低摩擦，保证了数据的稳定性及重复性、�/span></p><p><span>� 对针定位安装方式<span>＋�/span>无需调整：�/span></p><p><span>� 仪器设计紧凑、小巧轻便；</span></p><p><span>� 模块化设计，维护简单；</span></p><p><strong><span>数据处理功能</span></strong></p><p><span>粉尘中游离二氧化硅含量测试专用软件，</span><span>多种曲线拟合方式可选，可以储存多个工作曲线，可以根据需求灵活选择特征峰，自动计算结果、�/span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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