北分三谱顶空气相色谱质谱�?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"> 土壤和沉积物挥发性有机物的测宙�/span>-顶空气相色谱质谱泔�/span>——北分三谰�/span>为贯彻落实《中华人民共和国环境保护法》，保护环境，保障人体健康，规范环境监测工作，北分三谱推出《土壤和沉积�?/span>挥发性有机物的测宙�/span>顶空/气相色谱-质谱法》系统解决方桇�/span>一、原琅�/span>在一定的温度条件下，顶空瓶内样品中挥发性组分向液上空间挥发，产生蒸气压，在气液固三相达到热力学动态平衡，气相中挥发性有机物进入气相色谱分离后，用质谱进行检测，通过与标准物质保留时间和质谱图相比较进行定性，内标法定量、�/span>二�?/span>仪器2.1 气相色谱仪：具有毛细管分�?/span>/不分流进样口，可程序升温：�/span>2.2 质谱仪：其�/span>70eV的电子轰击（EI）电离源，具NIST质谱图库、手�?/span>/自动调谐、数据采集、定量分析及谱库检索等功能：�/span>2.3 毛细管柱９�/span>60m��0.25mm��1.4um(6%腈丙苯基�?/span>94%二甲基聚硅氧烷固定液）；2.4 北分三谱AHS-20A plus顶空进样器：带顶空瓶�?/span>PTFE隔垫、瓶盕�/span>2.5 其他相关仪器三�?/span>典型谱图９�/span>SCAN模式下的总离子流图：国�/span>1 100 ng/L 35种挥发性有机物�?/span>SCAN模式下的总离子图1. 氯乙烯；2. 1＋�/span>1-二氯乙烯：�/span>3. 二氯甲烷：�/span>4. 双�/span>-1＋�/span>2-二氯乙烯：�/span>5. 1＋�/span>1-二氯乙烷：�/span>6. 项�/span>-1＋�/span>2-二氯乙烯：�/span>7. 氯仿：�/span>8. 1＋�/span>1＋�/span>1-三氯乙烷：�/span>9. 四氯化碳：�/span>10. 1＋�/span>2-二氯乙烷：�/span>11. 苯；12. 氟苯：�/span>13.三氯乙烯：�/span>14. 1＋�/span>2-二氯丙烷：�/span>15. 一溴二氯甲烷；16. 甲苯-D8：�/span>17. 甲苯：�/span>18. 1＋�/span>1＋�/span>2-三氯乙烷：�/span>19. 四氯乙烯：�/span>20. 二溴氯甲烷；21. 1＋�/span>2-二溴乙烷：�/span>22. 氯苯-D5：�/span>23. 氯苯：�/span>24. 1＋�/span>1＋�/span>1＋�/span>2-四氯乙烷：�/span>25. 乙苯：�/span>26. 间，寸�/span>-二甲苯；27. 邻二甲苯：�/span>28. 苯乙烯；29. 溴仿：�/span>30. 4-溴氟苯；31. 1＋�/span>1＋�/span>2＋�/span>2-四氯乙烷：�/span>32. 1＋�/span>2＋�/span>3-三氯丙烷：�/span>33. 1＋�/span>3＋�/span>5-三甲基苯：�/span>34. 1＋�/span>2＋�/span>4-三甲基苯：�/span>35. 1＋�/span>3-二氯苯；36. 1＋�/span>4-二氯�?/span>-D4：�/span>37. 1＋�/span>4-二氯苯；38. 1＋�/span>2-二氯苯；39. 1＋�/span>2＋�/span>4-三氯苯；40. 六氯丁二烯� SIM图：国�/span>2 100 ng/L 35种挥发性有机物皃�/span>SIM国�/span>1. 氯乙烯；2. 1＋�/span>1-二氯乙烯：�/span>3. 二氯甲烷：�/span>4. 双�/span>-1＋�/span>2-二氯乙烯：�/span>5. 1＋�/span>1-二氯乙烷：�/span>6. 项�/span>-1＋�/span>2-二氯乙烯：�/span>7. 氯仿：�/span>8. 1＋�/span>1＋�/span>1-三氯乙烷：�/span>9. 四氯化碳：�/span>10. 1＋�/span>2-二氯乙烷：�/span>11. 苯；12. 氟苯：�/span>13.三氯乙烯：�/span>14. 1＋�/span>2-二氯丙烷：�/span>15. 一溴二氯甲烷；16. 甲苯-D8：�/span>17. 甲苯：�/span>18. 1＋�/span>1＋�/span>2-三氯乙烷：�/span>19. 四氯乙烯：�/span>20. 二溴氯甲烷；21. 1＋�/span>2-二溴乙烷：�/span>22. 氯苯-D5：�/span>23. 氯苯：�/span>24. 1＋�/span>1＋�/span>1＋�/span>2-四氯乙烷：�/span>25. 乙苯：�/span>26. 间，寸�/span>-二甲苯；27. 邻二甲苯：�/span>28. 苯乙烯；29. 溴仿：�/span>30. 4-溴氟苯；31. 1＋�/span>1＋�/span>2＋�/span>2-四氯乙烷：�/span>32. 1＋�/span>2＋�/span>3-三氯丙烷：�/span>33. 1＋�/span>3＋�/span>5-三甲基苯：�/span>34. 1＋�/span>2＋�/span>4-三甲基苯：�/span>35. 1＋�/span>3-二氯苯；36. 1＋�/span>4-二氯�?/span>-D4：�/span>37. 1＋�/span>4-二氯苯；38. 1＋�/span>2-二氯苯；39. 1＋�/span>2＋�/span>4-三氯苯；40. 六氯丁二烯� 　　北京北分三谱仪器有限责任公司是一家集研发、生产、销售和服务于一体的专业分析仪器生产厂家。主要生�?/span>:气相色谱仪、顶空进样器、热解析仪、解析管老化仪、电子皂膜流量计、氢气发生器、空气发生器、氮气发生器等产品。拥有一批长期从事色谱仪开发及分析应用、维修经验丰富的�?/span>cheng师，在色谱类仪器的维护、维修、和调试等方面的技术力量雄厚。近年来，我们已为国内著ming高等院校、科研单位、生产企业及检验检测机构提供了大量先进的分析仪器和设备及完整的系统解决方案。正是因为高品质的产品、专业的应用及完善的售前售后服务，我们赢得了广大用户的支持与信赖，具有良好的声誉、�/span>北京北分三谱仪器有限责任公司技术部 </div>  <div class="cxd"> <div class="cxd_tit">创新炸�/div> 暂无数据� </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> 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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