本標準規(guī)定了測定環(huán)境空氣和無組織排放監(jiān)控點空氣中硫化氫等10種含硫化合物的罐采樣-預(yù)濃縮/氣相色譜法。
本標準適用于環(huán)境空氣和無組織排放監(jiān)控點空氣中硫化氫、羰基硫、甲硫醇、乙硫醇、甲硫醚、二硫化碳、甲乙硫醚、噻吩、乙硫醚和二甲二硫等10種含硫化合物的測定。當取樣體積為400ml時，目標化合物的方法檢出限為0.09μg/m3～0.3μg/m3，測定下限為0.36μg/m3～1.2μg/m3，詳見附錄A。
高濃度的其他種類揮發(fā)性有機物或其他含硫有機化合物影響目標化合物的測定時，可通過減少取樣量、稀釋樣品或使用其他高選擇性檢測器進行分析。
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浩瀚色譜（山東）應(yīng)用技術(shù)開發(fā)有限公司，采用罐采樣、三級冷阱預(yù)濃縮對氣體樣品進行前處理、GCFPD火焰光度檢測器測定空氣中硫化氫、甲硫醇、甲硫醚、二甲二硫、二硫化碳、羰基硫等10種硫化物。該方法靈敏度高、重復(fù)性好，該方法可用于空氣中這些含硫類惡臭化合物的測定。采用該方法測定了污水處理廠周圍空氣中含硫惡臭類化合物的含量。
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名稱：毛細管柱
規(guī)格：柱長?60 m，內(nèi)徑?0.25 mm，膜厚?1.0 μm
型號：HH-1
應(yīng)用：環(huán)境空氣硫化氫等10種含硫化合物的測定罐采樣-預(yù)濃縮/氣相色譜法
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適用于：
安捷倫490在線/便攜，4890,5890,6890,7820,7890,8860,8890
島津GC-14C，GC-2010，GC-2014，GC-2030
賽默飛1310,1300,1610,1600
瓦里安3800系列
布魯克PE580,590,680,690
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This standard specifies the tank sampling pre concentration/gas chromatography method for determining 10 sulfur-containing compounds, including hydrogen sulfide, in ambient air and unorganized emission monitoring point air.
This standard is applicable to the determination of 10 sulfur-containing compounds, including hydrogen sulfide, carbonyl sulfide, methyl mercaptan, ethyl mercaptan, methyl sulfide, carbon disulfide, methyl ethyl sulfide, thiophene, ethyl sulfide, and dimethyl disulfide, in ambient air and unorganized emission monitoring points. When the sampling volume is 400ml, the method detection limit of the target compound is 0.09 μ g/m3 to 0.3 μ g/m3, and the lower limit of determination is 0.36 μ g/m3 to 1.2 μ g/m3, as detailed in Appendix A.
When other types of volatile organic compounds or sulfur-containing organic compounds with high concentrations affect the determination of target compounds, analysis can be carried out by reducing the sample size, diluting the sample, or using other highly selective detectors.
Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. uses tank sampling, three-stage cold trap pre concentration for gas sample pretreatment, and GCFPD flame photometric detector to determine 10 types of sulfides in the air, including hydrogen sulfide, methyl mercaptan, methyl sulfide, dimethyl disulfide, carbon disulfide, carbonyl sulfide, etc. This method has high sensitivity and good repeatability, and can be used for the determination of these sulfur-containing odorous compounds in the air. This method was used to determine the content of sulfur-containing odorous compounds in the air around the sewage treatment plant.
Name: Capillary Column
Specification: Column length 60 m, inner diameter 0.25 mm, membrane thickness 1.0 μ m
Model: HH-1
Application: Determination of 10 sulfur-containing compounds including hydrogen sulfide in ambient air using tank sampling pre concentration/gas chromatography method
Applicable to:
Agilent 490 online/portable, 48905890689088608890
Shimadzu GC-14C, GC-2010, GC-2014, GC-2030
Thermo Fisher Scientific 1310130016101600
Varian 3800 Series
Brooke PE580590680690
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