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5 A分子筛气相色谱法测定痕量 CFC12
引用本文:张朝能,宁平,杨月红,马彩霞,全红梅.5 A分子筛气相色谱法测定痕量 CFC12[J].环境监测管理与技术,2009,21(2):29-30.
作者姓名:张朝能  宁平  杨月红  马彩霞  全红梅
作者单位:1. 昆明理工大学环境科学与工程学院,云南,昆明,650093;昆明市环境科学研究院,云南,昆明,650032
2. 昆明理工大学环境科学与工程学院,云南,昆明,650093
3. 昆明理工大学环境科学与工程学院,云南,昆明,650093;云南省环保产业科技开发中心,云南,昆明,650032
4. 昆明市环境科学研究院,云南,昆明,650032
摘    要:采用5A分子筛气相色谱电子捕获检测器测定气体样品中的CFC12,介绍了填充柱的制备方法。方法线性良好,用峰高定量略优于用峰面积,检出限为27μg/m^3(进样体积以1 mL计),标准样品测定的RSD≤6.7%,加标回收率为92.3%~103%。

关 键 词:CFC12  5A分子筛  气相色谱法  电子捕获检测器  气体样品

Determ ination of Trace Freon F-12 by 5 A M olecular Sieve Adsorption Gas Chromatography
ZHANG Chao,neng.Determ ination of Trace Freon F-12 by 5 A M olecular Sieve Adsorption Gas Chromatography[J].The Administration and Technique of Environmental Monitoring,2009,21(2):29-30.
Authors:ZHANG Chao  neng
Affiliation:1.Faculty of Environmental Science and Engineering;Kunming University of Science and Technology;Kunming;Yunnan 650093;China;2.Kunming Institute of Environmental Science;Yunnan 650032;3.Yunnan Sci-Tech Development of Environmental Protection Industry;China
Abstract:The freon F-12 in gas sample was determined by 5A molecular sieve gas chromatography with ECD. The packing method was described. The tests produced the following results: a good linearity; quantity with peak height better than that with peak area; detection limits 27 Ij, g/m3 (by injective volume to 1 mL) ; RSD of standard sample ≤6.7% ; spiked recoveries 92.3% - 103%.
Keywords:CFC12
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