浩瀚色譜（山東）應用技術(shù)開發(fā)有限公司采用GB/T14676—93《空氣質(zhì)量三甲胺的測定氣相色譜法》測定空氣中三甲胺,通過實驗,確定分析條件,用1mL樣品氣體直接進樣方式,其分析結(jié)果相對標準偏差小于3%,加標回收率大于98%,檢出限達到0.0028mg/m3,滿足監(jiān)測分析技術(shù)要求.該方法適用于惡臭污染源排氣及廠界環(huán)境空氣中三甲胺的測定.具有靈敏度高,操作簡便等優(yōu)勢.
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本標準適用于惡臭污染源排氣及廠界環(huán)境空氣中三甲胺的測定。當采樣體積為10L時，方法最低檢出濃度為2.5-3×10mg/m3。 本標準測定以氣體狀態(tài)存在的三甲胺。 樣品中的氨、甲胺、乙胺、二甲胺等胺類化合物在本方法選定的色譜條件下，均不干擾三甲胺的測定。
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名稱：不銹鋼填充柱
型號：4%PEG-20M+1%KOH/GDX-401
規(guī)格：3m*3mm，60-80目
使用溫度：240°C
應用：GB/T 14676-1993空氣質(zhì)量 三甲胺的測定 氣相色譜法
配套安捷倫7890，島津GC2014，賽默飛1300，瓦里安3800，布魯克，PE580系列
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Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. uses GB/T14676-93 "Determination of Trimethylamine in Air Quality - Gas Chromatography Method" to determine trimethylamine in the air. Through experiments, the analysis conditions are determined, and 1mL of sample gas is directly injected. The relative standard deviation of the analysis results is less than 3%, the recovery rate is greater than 98%, and the detection limit reaches 0.0028mg/m3, which meets the requirements of monitoring and analysis technology This method is applicable for the determination of trimethylamine in the exhaust gas of odor pollution sources and the ambient air of factories It has advantages such as high sensitivity and easy operation
This standard is applicable to the determination of trimethylamine in the exhaust gas of odor pollution sources and the ambient air of factories. When the sampling volume is 10L, the minimum detectable concentration of the method is 2.5-3 × 10mg/m3. This standard determines the presence of trimethylamine in a gaseous state. The amine compounds such as ammonia, methylamine, ethylamine, and dimethylamine in the sample do not interfere with the determination of trimethylamine under the chromatographic conditions selected in this method.
Name: Stainless Steel Filled Column
Model: 4% PEG-20M+1% KOH/GDX-401
Specification: 3m * 3mm, 60-80 mesh
Operating temperature: 240 ° C
Application: GB/T 14676-1993 Air Quality - Determination of Trimethylamine - Gas Chromatography Method
Supporting Agilent 7890, Shimadzu GC2014, Thermo Fisher 1300, Varian 3800, Bruker, PE580 series
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