Journal of the Korean Society of Safety (한국안전학회지)

The Korean Society of Safety (한국안전학회)
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Measurement and Prediction of the Flash Points and the Fire Points for the Flammable Binary Mixtures Using Open-cup Apparatus

개방식 장치를 이용한 가연성 2 성분계 혼합물의 인화점 및 연소점 측정 및 예측

  • Ha, Doo-Myeong (Department of Occupational Health and Safety Engineering, Semyung University)
  • 하동명 (세명대학교 보건안전공학과)
  • Published : 2007.04.30
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Abstract

The flash points and the fire points for the m-xylene+n-propionic acid and n-butanol+n-pentanol systems were measured by using Tag open-cup apparatus(AS1M D 1310-86). The experimental flash points of two binary systems were compared with the values calculated by the Raoult's law, Van Laar equation and Wilson equation. The calculated values based on the Raoult's law on m-xylene+n-propionic acid system were found to be better than those based on Van Laar and Wilson equations. The calculated values based on Van Laar equation on n-butanol+n-pentanol system were found to be better than those based on the Raoult's law and Wilson equation. The the fire points for the m-xylene+n-propionic acid system were about $7{\sim}8^{\circ}C$ above the flash points. In the case of n-butanol+n-pentanol system, the flash points and the fire points had been found to be identical.

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