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.
초록· 키워드
오류제보하기
Objectives: The objectives of this study were to determine the desorption efficiency of carbon disulfide (CS₂) and a mixture of methylene chloride/methanol, compare measurements by charcoal tubes and diffusive samplers of EGME and EGMEA.
Methods: To compare desorption efficiency, Three different concentrations (low, medium, and high) of EGME and EGMEA were injected into the charcoal tubes and diffusive samplers and desorbed using carbon disulfide (CS₂) and a mixture (95:5) of methylene chloride and methanol .
The active and passive samplers of the airborne samples were placed alongside in order to observe any differences between them. All samples were analyzed with gas chromatography/flame ionization detector. Comparisons between samplers were analyzed using a paired t-test.
Results: The desorption efficiencies were 39% and 96% for CS₂ and the mixture of methylene chloride/methanol, respectively. The airborne concentrations by the passive samplings were lower than those of the active samplings (p < 0.05), but had a moderate correlation.
Conclusion: Desorption must be carried out using a mixture of methylene chloride/methanol in EGME and EGMEA samples. Passive sampling should be applied in EGME- and EGMEA-exposed workplaces very carefully because of its possibility of low estimation.
Methods: To compare desorption efficiency, Three different concentrations (low, medium, and high) of EGME and EGMEA were injected into the charcoal tubes and diffusive samplers and desorbed using carbon disulfide (CS₂) and a mixture (95:5) of methylene chloride and methanol .
The active and passive samplers of the airborne samples were placed alongside in order to observe any differences between them. All samples were analyzed with gas chromatography/flame ionization detector. Comparisons between samplers were analyzed using a paired t-test.
Results: The desorption efficiencies were 39% and 96% for CS₂ and the mixture of methylene chloride/methanol, respectively. The airborne concentrations by the passive samplings were lower than those of the active samplings (p < 0.05), but had a moderate correlation.
Conclusion: Desorption must be carried out using a mixture of methylene chloride/methanol in EGME and EGMEA samples. Passive sampling should be applied in EGME- and EGMEA-exposed workplaces very carefully because of its possibility of low estimation.
목차
Abstract
Introduction
Methods
Results
Discussion
Conclusion
References
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UCI(KEPA) : I410-ECN-0101-2016-517-000928293