國標(biāo)環(huán)氧乙烷中雜質(zhì)二氧化碳是必檢項目之一，標(biāo)準(zhǔn)采用的是熱導(dǎo)檢測器，靈敏度低，很難測定10ppm的二氧化碳，需要高靈敏度TCD，價格高，不易普及。
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浩瀚色譜研制甲烷轉(zhuǎn)化爐氫火焰氣相色譜法測定環(huán)氧乙烷中二氧化碳的含量，采用帶反吹的氣路系統(tǒng)，二氧化碳可以測定0.5ppm以下，靈敏度高，結(jié)果準(zhǔn)確。在安捷倫，島津，賽默飛，瓦里安，布魯克，PE上安裝，得到用戶的認(rèn)可。
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名稱：便攜式甲烷轉(zhuǎn)化爐
型號：HH-790CH4-GC
適合于：安捷倫4890. 5890, 6890, 7890, 7820, 8860, 8890氣相色譜儀上
浩瀚色譜研制生產(chǎn)：外置式甲烷轉(zhuǎn)化器，具有小巧玲瓏，方便攜帶，安裝簡單（用戶可完成安裝），集成化高（含氣路系統(tǒng)，進樣系統(tǒng)，溫控系統(tǒng)，分離系統(tǒng)），可擴展二維/多維系統(tǒng)，反吹，切割系統(tǒng)。一機多用，實用價值高。
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The impurity carbon dioxide in the national standard ethylene oxide is one of the mandatory inspection items. The standard uses a thermal conductivity detector, which has low sensitivity and is difficult to measure 10ppm of carbon dioxide. High sensitivity TCD is required, which is expensive and not easy to popularize.
Haohan Chromatography developed a hydrogen flame gas chromatography method for the determination of carbon dioxide content in ethylene oxide using a methane conversion furnace. Using a gas path system with backflow, carbon dioxide can be measured below 0.5ppm with high sensitivity and accurate results. Installed on Agilent, Shimadzu, Thermo Fisher, Varian, Brooke, and PE, and received user recognition.
Name: Portable methane conversion furnace
Model: HH-790CH4-GC
Suitable for: Agilent 4890, 5890, 6890, 7890, 7820, 8860, 8890 gas chromatographs
Haohan Chromatography Development and Production: External methane converter, small and exquisite, easy to carry, easy to install (user can complete installation), highly integrated (including gas path system, injection system, temperature control system, separation system), expandable two-dimensional/multi-dimensional system, backflow, cutting system. One machine is versatile and has high practical value.
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