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氣體自動進樣器測定氣體中非甲烷總烴
氣體自動進樣器測定氣體中非甲烷總烴 詳細信息：

固定相：高分子小球

GDX-502，2m*3mm，2m*4mm，2m*1/8，60-80目

甲烷柱

總烴柱

2m*3mm，2m*4mm，2m*1/8，硅烷化玻璃微球

非甲烷總烴測定多采用針筒或氣袋采集樣品、手工進樣的方式測試非甲烷總烴。該操作過程較頻繁、耗時長，且人為造成的誤差也較大。

滕州市浩瀚色譜儀器技術(shù)服務(wù)有限公司，采用自動進樣和氣體分流技術(shù),雙柱雙FID檢測器氣相色譜法測定氣體中的非甲烷總烴,實現(xiàn)了非甲烷總烴的連續(xù)自動分析,同時一次進樣即可得到甲烷和總烴的數(shù)據(jù)。方法的檢出限為0.05 mg/m3,測定的相對標(biāo)準(zhǔn)偏差在0.7%~1.8%內(nèi),非甲烷總烴的加標(biāo)回收率為96.0%~98.5%。與傳統(tǒng)手動進樣法相比,本方法具有重復(fù)性好、操作簡單、省時等優(yōu)點,可大大提高氣體中非甲烷總烴的分析效率和準(zhǔn)確度。


氣體自動進樣器測定氣體中非甲烷總烴 圖片：


Determination of non-methane total hydrocarbons in gases by gas autosampler
Gas autosampler for the determination of non-methane total hydrocarbons in gases Details:

Stationary phase: polymer pellet
GDX-502, 2m*3mm, 2m*4mm, 2m*1/8, 60-80 mesh
Methane column

Total hydrocarbon column
2m*3mm, 2m*4mm, 2m*1/8, silanized glass microspheres

For the determination of non-methane total hydrocarbons, samples of syringes or air bags are used to collect samples, and non-methane total hydrocarbons are tested by manual injection. This operation process is frequent, time consuming, and human error is also large.

Tengzhou Haohao Chromatography Instrument Technology Service Co., Ltd. uses automatic injection and gas splitting technology, two-column dual FID detector gas chromatography to determine non-methane total hydrocarbons in gas, and achieves continuous automatic analysis of non-methane total hydrocarbons. The injection can be used to obtain data on methane and total hydrocarbons. The detection limit of the method was 0.05 mg/m3, and the relative standard deviation of the method was 0.7%~1.8%. The recoveries of non-methane total hydrocarbons were 96.0%~98.5%. Compared with the traditional manual injection method, the method has the advantages of good repeatability, simple operation, time-saving and high efficiency, and can greatly improve the analysis efficiency and accuracy of non-methane total hydrocarbons in the gas.


Determination of non-methane total hydrocarbons in gases by a gas autosampler

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