haohan 固定污染源排气中非甲烷总烃的测定GDX-104和玻璃微球填充柱3m*1/8

名称：硅烷化玻璃微球总烃柱

规格：1m*1/8，60-80目

温度：300°C

编号：20231009008

应用：HJ T38-1999 固定污染源排气中非甲烷总烃的测定气相色谱法

Haohan Chromatography (Shandong) Application Technology Development Co., Ltd., based on the actual situation of fixed pollution source monitoring work, explores the influencing factors of gas chromatography for determining non methane total hydrocarbons (NMHC) in pollution source exhaust gas. Research has found that there is a difference in concentration between single standard gas and mixed standard gas when calibrating the same sample. The sampling method, sampling container material, and volume have a serious impact on the accuracy of monitoring results. Therefore, it is necessary to strictly regulate the sampling methods for exhaust gas from fixed pollution sources and increase the accuracy of monitoring results from fixed pollution sources. At the same time, by comparing the definitions and existing methods of NMHC and VOCs, a detailed analysis was conducted on their relationship and numerical differences under the same conditions. The results showed that due to the differences in characteristic pollutants in different industries, the proportion of effective carbon mass concentration presented by the two is not consistent. In addition, NMHC based on FID response values cannot accurately and comprehensively reflect the degree of organic pollution in the air, and may mask certain organic pollutants in the exhaust gas.




Name: GDX-104 Methane Column

Specification: 3m * 1/8, 60-80 mesh

No.: 20231009009

Operating temperature: 250 ° C

Application: HJ T38-1999 Determination of Non methane Total Hydrocarbons in Fixed Source Exhaust Gas by Gas Chromatography



Name: Silanized glass microsphere total hydrocarbon column



Specification: 1m * 1/8, 60-80 mesh



Temperature: 300 ° C



No.: 20231009008



Application: HJ T38-1999 Determination of Non methane Total Hydrocarbons in Fixed Source Exhaust Gas by Gas Chromatography