지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
오류제보하기
Among all chemical accidents that have occurred over the last decade, those related to acid chemicalsaccount for 41%, which indicates that acids are very likely to cause accidents. Once released, acids can moveto various media such as air, water and soil, subsequently having effect on the environment. In particular, theyspread very quickly when leaked in gaseous phase into the atmosphere. Considering these characteristics, it isvery important to make immediate responses to acid leakage. It is also essential to promptly analyze the concentrationsof acids in the air to assess their effect on human health and the environment. However, Korea hasno official testing methods applicable to inorganic acid leakage, and inevitably relies on foreign testing proceduresinstead. In this study, research was conducted with hydrogen chloride and hydrogen fluoride, both ofwhich present high accident rates and serious aftereffects. The efficiencies of sampling with impingers and sorbenttubes were compared using IC analysis. Hydrogen chloride and hydrogen fluoride captured by impingersshowed their recovery rates as 105% (±20.7%) and 99.4% (±14.1%), respectively. When silica gel tubes wereapplied, the rates were each 83.0% (±6.1%) and 88.0% (±13.6%). These two sampling methods were foundto have recovery rates ranging from 83 to 105%, and their precision was within 20%. This indicates that bothmethods are adequately applicable to on-site sample capturing. The adsorption approach with sorbent tubes isconsidered especially useful for chemical accidents that need to be quickly responded to, because it uses a simpleset of equipment, helping save much time for preparing and setting on site.
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참고문헌 (25)
참고문헌 신청
C. A. Tipple / 2005 / Development of a microfabricated impinger for on-chip gas phase sampling / Analytica Chimica Acta 551 : 9 ~ 14
C. C. Chen / 2002 / Aerosol penetration through silica gel tubes / Aerosol Science and Technology 36 : 457 ~ 468
C. J. Tsai / 2001 / Collection efficiency and capacity of three samplers for acidic and basic gases / Environmental Science and Technology 35 : 2572 ~ 2575
Environmental Protection Agency / 1996 / Method 26 Determination of hydrogen halide and halogen emissions from stationary sources non-isokinetic method : 1331 ~ 1356
Environmental Protection Agency / 2007 / Method 9057 Determination of chloride from hydrogen chloride/Cl2emission sampling train by anion chromatography
C. C. Chen / 2002 / Aerosol penetration through silica gel tubes / Aerosol Science and Technology 36 : 457 ~ 468
C. J. Tsai / 2001 / Collection efficiency and capacity of three samplers for acidic and basic gases / Environmental Science and Technology 35 : 2572 ~ 2575
Environmental Protection Agency / 1996 / Method 26 Determination of hydrogen halide and halogen emissions from stationary sources non-isokinetic method : 1331 ~ 1356
Environmental Protection Agency / 2007 / Method 9057 Determination of chloride from hydrogen chloride/Cl2emission sampling train by anion chromatography
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