为了解决固定污染源非甲烷总烃（NMHC）在线监测系统比对中，在实验室中气相色谱（GC）法检测样品结果偏低的问题，浩瀚色谱（山东）应用技术开发有限公司采用便携式和实验室GC仪进行实验对比，从载气选择、标准参考气体、储存时间和样品前处理方面，分析对NMHC检测的影响，提高实验室的测试结果准确性。表明，现场采样完成后，样品需避光并低温保存运输。样品上机测试前需放理化干燥箱中加热至液滴凝结现象消除后测试，样品从采样到分析要在8 h内完成。对于分析不同行业成分较复杂废气组分，采用甲烷、丙烷混合标气，这样测定结果接近固定污染源原始排放浓度。
名称：总烃柱
数量：5只
规格：1.5m*1/8，60-80目
最高使用温度：300°C
制造：浩瀚色谱（山东）应用技术开发有限公司
注：带套管端为进气口。
名称：甲烷柱
数量：5只
规格：1.5m*1/8，60-80目
最高使用温度：250°C
制造：浩瀚色谱（山东）应用技术开发有限公司
注：带套管端为进气口。
In order to solve the problem of low detection results of gas chromatography (GC) method in the laboratory for non methane total hydrocarbons (NMHC) in the online monitoring system comparison of fixed pollution sources, Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. used portable and laboratory GC instruments for experimental comparison, analyzing the impact on NMHC detection from the aspects of carrier gas selection, standard reference gas, storage time, and sample pretreatment, Improve the accuracy of laboratory test results. It indicates that after on-site sampling is completed, the samples need to be kept away from light and stored at low temperature for transportation. Before the sample is tested on the machine, it needs to be heated in a physical and chemical drying oven until the phenomenon of droplet condensation is eliminated before testing. The sample needs to be completed within 8 hours from sampling to analysis. For the analysis of complex exhaust gas components in different industries, a mixture of methane and propane standard gas is used, so that the measurement results are close to the original emission concentration of fixed pollution sources.
Name: Total hydrocarbon column
Quantity: 5 pieces
Specification: 1.5m * 1/8, 60-80 mesh
Maximum operating temperature: 300 ° C
Manufacturing: Haohan Chromatography (Shandong) Application Technology Development Co., Ltd
Note: The end with casing is the air inlet.
Name: Methane column
Quantity: 5 pieces
Specification: 1.5m * 1/8, 60-80 mesh
Maximum operating temperature: 250 ° C
Manufacturing: Haohan Chromatography (Shandong) Application Technology Development Co., Ltd
Note: The end with casing is the air inlet.
滕州市浩瀚色谱仪器技术服务有限公司
电话：0632-5667636
传真：0632-5667636
手机：15562228838,13963221227
地址：山东滕州市平行路（商务部和技术部）
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QQ:1404939462
联系人：王经理
网址：www.haohansepu.com