為了解決固定污染源非甲烷總烴（NMHC）在線監(jiān)測(cè)系統(tǒng)比對(duì)中，在實(shí)驗(yàn)室中氣相色譜（GC）法檢測(cè)樣品結(jié)果偏低的問(wèn)題，浩瀚色譜選取便攜式分析儀和GC儀進(jìn)行實(shí)驗(yàn)對(duì)比，從載氣選擇、標(biāo)準(zhǔn)參考?xì)怏w、儲(chǔ)存時(shí)間和樣品前處理等方面，分析對(duì)NMHC檢測(cè)的影響，以提高實(shí)驗(yàn)室測(cè)試結(jié)果的準(zhǔn)確性。

　　編號(hào):20231103001

　　名稱(chēng):非甲烷總烴復(fù)合柱

　　規(guī)格:1.2m*1/8，60-80目

　　*高使用溫度:240°C

　　應(yīng)用:1根色譜柱直接測(cè)定非甲烷總烴，無(wú)需差減法，效率高

　　實(shí)例:

　　1.固定污染源廢氣中總烴，甲烷，非甲烷總烴的測(cè)定

　　2.環(huán)境空氣中非甲烷總烴測(cè)定

　　In order to solve the problem of low sample detection results using gas chromatography (GC) in the laboratory during the online monitoring system comparison of non methane total hydrocarbons (NMHC) from fixed pollution sources, Haohan Chromatography selected a portable analyzer and a GC instrument for experimental comparison, analyzing the impact on NMHC detection from aspects such as carrier gas selection, standard reference gas, storage time, and sample pretreatment, in order to improve the accuracy of laboratory test results.

　　No.: 20231103001

　　Name: Non methane total hydrocarbon composite column

　　Specification: 1.2m * 1/8, 60-80 mesh

　　*High operating temperature: 240 ° C

　　Application: Direct determination of non methane total hydrocarbons using one chromatographic column, without the need for subtraction, with high efficiency

　　Example:

　　1. Determination of total hydrocarbons, methane, and non methane total hydrocarbons in fixed pollution source exhaust gas

　　2. Determination of non methane total hydrocarbons in ambient air