口罩中环氧乙烷残留的测定气相色谱�?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><strong><span>口罩中环氧乙烷残留的测定</span>-<span>气相色谱泔�/span></strong><strong></strong></p><p><span>　　</span><span>环氧乙烷是广谱、高效的气体杀菌消毒剂。对消毒物品的穿透力强，可达到物品深�?/span><span>，可以杀灭数病原微生物。环氧乙烷杀灭微生物是由于它能与微生物的蛋白质�?/span><span>DNA</span><span>�?/span><span>RNA </span><span>发生非特异性烷基化作用。以蛋白质为例，蛋白质上的羧基、氨基、硫氢基和烃培�/span><span>被硅烷化，使</span><span>蛋白质的正常生化反应和新陈代谢受阻，导致微生物死亡。医疗用品中环氧</span><span>乙烷残留量的检浊�/span><span>方法是用顶空进样器进样后毛细管柱分离，氢火焰检测器检测其含量、�/span><span>利用被测样品（气</span><span>-</span><span>液和氓�/span><span>-</span><span>固）加热平衡后，取其挥发气体部分进入气相色谱仪。该方法操作简单，效果好，效率高， � � � � � � � � � � � � � � � 检 � � 案。本方法是参�?/span><span>GB/T 14233.1-2008</span><span>�?/span><span>GB/T 16886.7-2015 </span><span>� </span><span>GB19083-2010 </span><span>标准，测定口罩中环氧乙烷的残留量、�/span></p><p><span>2. </span><span>仪器和设夆�/span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><strong><span>序号</span></strong><strong></strong></p></td><td><p><strong><span>名称</span></strong><strong></strong></p></td><td><p><strong><span>型号</span></strong><strong></strong></p></td><td><p><strong><span>数量</span></strong><strong></strong></p></td><td><p><strong><span>单位</span></strong><strong></strong></p></td></tr><tr><td><p><strong><span>1</span></strong><strong></strong></p></td><td><p><strong><span>气相色谱�?/span></strong><strong></strong></p></td><td><p><strong><span>GC-9860</span></strong><strong></strong></p></td><td><p><strong><span>1</span></strong><strong></strong></p></td><td><p><strong><span>�?/span></strong><strong></strong></p></td></tr><tr><td><p><span>2</span></p></td><td><p><span>全自动顶空进样器</span></p></td><td><p><span>AHS-20A plus</span></p></td><td><p><span>1</span></p></td><td><p><span>�?/span></p></td></tr><tr><td><p><span>3</span></p></td><td><p><span>氢气发生�?/span></p></td><td><p><span>BF-300E</span></p></td><td><p><span>1</span></p></td><td><p><span>�?/span></p></td></tr><tr><td><p><span>4</span></p></td><td><p><span>空气发生�?/span></p></td><td><p><span>BF-2L</span></p></td><td><p><span>1</span></p></td><td><p><span>�?/span></p></td></tr><tr><td><p><span>5</span></p></td><td><p><span>氮气发生�?/span></p></td><td><p><span>BF-300N</span></p></td><td><p><span>1</span></p></td><td><p><span>�?/span></p></td></tr><tr><td><p><span>6</span></p></td><td><p><span>SE-54<span>色谱柰�/span></p></td><td><p><span>30m</span><span>��</span><span>0.32mm</span><span>��</span><span>0.5um</span></p></td><td><p><span>1</span></p></td><td><p><span>核�/span></p></td></tr></tbody></table><p><strong><span>北分三谱</span></strong><strong><span>环氧乙烷检浊�/span></strong><strong><span>分析条件９�/span></strong><strong></strong></p><p><span>色谱柱：</span><span>SE-30</span><span>� 30m��0.32mm� 1.0��m</span><span>：�/span><span>北分三谱</span></p><p><span>载气：恒压模式，</span>N2�?.05MPa：�/span></p><p><span>进样口温度：</span>250℃；</span></p><p><span>柱温９�/span>60�?保持6min)�?5 �?min�?00� (保持8min)：�/span></p><p><span>检测器９�/span>250� FID：�/span></p><p><span>进样量：</span>1��l：�/span></p><p><span>分流比：</span><span>3</span><span>0:1、�/span></p><p><strong><span>北分三谱</span></strong><strong><span>环氧乙烷检测测定步骣�/span></strong><span>环氧乙烷残留测定标准要求配制六种梯度浓度环氧乙烷标准品分别为</span>1ug/ml�?ug/ml�?g/ml�?g/ml�?ug/ml�?0ug/ml</span><span>�?/span>:(1)由于环氧乙烷标准品易挥发特性，在配置标准溶液时，所用的玻璃器皿需提前 2h放入0-10℃的冰相中备用，以减少操作过程中环氧乙烷标准品的挥发，从而减少对所配置的标准液的浓度产生影哌�</span><strong><span>(2)由于环氧乙烷有刺激性特性，因此，检验人员在配置标准溶液时必须在通风橱中操作，并穾�/span></strong><span>戴防抣�/span>|用具(白大褂、手套、防腐蚀围裙)</span></p><p><strong></strong></p><p><strong><span>北分三谱</span></strong><strong><span>环氧乙烷检浊�/span></strong><strong><span>实行交钥匙服加�/span></strong><strong></strong></p><p><span>1�?/span><span>仪器实行</span>“交钥匙”工程服务，从安装调试到人员培训，一直到客户能够独立操作、�/span></p><p><span>2�?/span><span>仪器发生故障后及时给予答复或指导维修＋�/span>48小时内可以派出专业技术服务工程师前往现场排除故障、�/span></p><p><span>3、如有同系列仪器软件升级，我公司免费提供升级服务� </span></p><p><span>4、公司每年有定期培训课程，内容有仪器原理、分析应用、仪器操作、方法研究、故障排除和维修维护等、�/span></p><p><span>5、、业务咨询、故障报修，</span><strong><span>北分三谱</span></strong><strong><span>、�/span></strong></p><p></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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