• 제목/요약/키워드: Setaflash closed cup tester(ASTM D3278)

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산류(Acids)의 인화점과 최소자연발화온도의 신뢰성 고찰 (Investigation of Reliability of Flash Points and Autoignition Temperatures of Acids)

  • 하동명
    • 한국안전학회지
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    • 제24권2호
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    • pp.42-47
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    • 2009
  • The flash point and the AIT(auto-ignition temperature) are the most important combustible properties used to determine the potential for the fire and explosion hazards of flammable material. In order to know the accuracy of data in MSDS(Material Safety Data Sheet), the flash point of n-acids were measured by using Pensky-Martens closed cup tester(ASTM D93), Setaflash closed cup tester(ASTM D3278), Tag open cup tester(ASTM D1310) and Cleveland open cup tester(ASTM D92). Also, the AIT of n-acids were measured by using ASTM E659-78 tester. The measured the flash points and the AIT were compared with literatures and MSDS in KOSHA. The measured the flash points and the AIT were different from those in literatures and MSDS. Therefore, This paper shows that it is needed to investigate the MSDS compatibility of n-acids for the fire safety objectives.

크실렌 이성질체의 인화점과 최소자연발화온도의 측정 (Measurement of Flash Points and Autoignition Temperatures for Xylene Isomers)

  • 하동명;이성진
    • 한국가스학회지
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    • 제13권4호
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    • pp.40-45
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    • 2009
  • MSDS 자료의 적정성을 고찰하기 위해 크실렌 이성질체에 대해 Pensky-Martens 밀폐식(ASTM D93), Setaflash 밀폐식(ASTM D3278), Tag 개방식(ASTM D1310), Cleveland 개방식(ASTM D92) 장치 등을 이용하여 인화점을 측정하였으며, 또한 최소자연발화온도는 ASTM E659-78장치를 사용하여 측정하고, 문헌값들과 한국산업안전보건공단의 MSDS 자료와 비교하였다. 그 결과, 측정된 인화점과 최소자연발화온도는 이들과 차이를 나타내어 안전의 목적을 위해 연소특성치 고찰이 필요함을 알 수 있었다.

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Setaflash 장치를 이용한 산류와 케톤류의 폭발상한계 예측 (Prediction of Upper Explosion Limits (UEL) of Acids and Ketones by Using Setaflash Tester)

  • 하동명
    • 한국화재소방학회논문지
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    • 제25권2호
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    • pp.114-119
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    • 2011
  • 폭발한계와 인화점은 가연성물질의 화재 및 폭발의 위험성을 결정하는데 중요한 연소특성치이다. 본 연구에서는 산류와 케톤류의 폭발상한계를 예측하기 위해서, 평형상태에서 인화점을 측정하는 Setaflash 밀폐식 장치(ASTM D3278)를 사용하여 이들의 상부인화점을 측정하였다. 측정된 상부인화점을 이용하여 Antoine 식에 의한 계산된 폭발상한계는 기존의 문헌값들보다 약간 낮게 나타났다. 본 연구에서 제시한 실험 및 예측 방법을 이용하여 다른 가연성물질의 폭발상한계 예측이 가능해 졌다.

Setaflash 장치를 이용한 노말 알코올류의 상부인화점 측정에 의한 폭발상한계의 예측 (Prediction of Upper Explosion Limits(UEL) by Measurement of Upper Flash Point Using Setaflash Apparatus for n-Alcohols)

  • 하동명
    • 한국안전학회지
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    • 제25권2호
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    • pp.35-40
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    • 2010
  • Explosion limit and flash point are the major combustion properties used to determine the fire and explosion hazards of the flammable substances. In this study, in order to predict upper explosion limits(UEL), the upper flash point of n-alcohols were measured under the VLE(vapor-liquid equilibrium) state by using Setaflash closed cup tester(ASTM D3278). The UELs calculated by Antoine equation using the experimental upper flash point are usually lower than the several reported UELs. From the given results, using the proposed experimental and predicted method, it is possible to research the upper explosion limits of the other flammable substances.

노말알칸류와 방향족탄화수소류의 상부인화점 측정에 의한 폭발상한계의 예측 (Prediction of Upper Explosion Limits(UEL) by Measurement of Upper Flash Points for n-Alkanes and Aromatic Compounds)

  • 하동명
    • 한국안전학회지
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    • 제26권4호
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    • pp.59-64
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    • 2011
  • Explosion limit and flash point are the major combustion properties used to determine the fire and explosion hazards of the flammable substances. In this study, in order to predict upper explosion limits(UELs), the upper flash point of n-alkanes and aromatic compounds were measured under the VLE(vapor-liquid equilibrium) state by using Setaflash closed cup tester(ASTM D3278). The UELs calculated by Antoine equation and chemical stoichiometric coefficient tusing the experimental upper flash point were compared with the several reported UELs. From the given results, using the proposed experimental and predicted method, it is possible to research the upper explosion limits of the other flammable substances.