Abstract
아닐린의 안전한 취급을 위해, 폭발한계는 문헌을 통해 고찰하였으며, 인화점과 발화지연시간에 의한 자연발화온도는 시험장치를 이용하여 측정하였다. 인화점의 경우 밀폐식 장치인 Setaflash와 Penski-Martens 에 의한 하부인화점은 각 각 <TEX>$66^{\circ}C$</TEX>와 <TEX>$73^{\circ}C$</TEX>로 측정되었으며, 개방식인 Tag와 Cleveland 에서는 각 각 <TEX>$72^{\circ}C$</TEX>와 <TEX>$78^{\circ}C$</TEX>로 측정되었다. ASTM E659 장치를 사용하여 자연발화온도와 발화지연시간을 측정하였고, 최소 자연발화온도는 <TEX>$590^{\circ}C$</TEX>로 측정되었다. 아닐린의 측정된 인화점을 이용하여 폭발하한계와 상한계는 1.16 Vol.%와 8.36 Vol.%로 게산되었다. For the safe handling of aniline, this study was investigated the explosion limits of aniline in the reference data. And the lower flash points, upper flash points and AITs(auto-ignition temperatures) by ignition delay time were experimented. The lower flash point of aniline by using Setaflash and Penski-Martens closed-cup testers were experimented <TEX>$66^{\circ}C$</TEX> and <TEX>$73^{\circ}C$</TEX>, respectively. The lower flash point aniline by using Tag and Cleveland open cup testers were experimented <TEX>$72^{\circ}C$</TEX> and <TEX>$78^{\circ}C$</TEX>, respectively. Also, this study measured relationship between the AITs and the ignition delay times by using ASTM E659 tester for aniline. The experimental AIT of aniline was <TEX>$590^{\circ}C$</TEX>. The calculated LEL and UEL by using the measured low flash point and upper flash point were 1.16 Vol.% and 8.36 Vol.%, respectively.
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