释义 |
autoignition temperature
autoignition temperature[¦ȯd·ō·ig¦nish·ən ′tem·prə·chər] (chemistry) The temperature at which a material (solid, liquid, or gas) will self-ignite and sustain combustion in air without an external spark or flame. autoignition temperature
autoignition temperature The minimum temperature needed for self-sustained combustion in absence of a spark or flame, at which the vapours from a volatile liquid will ignite spontaneously. The autoignition temperature (AT) is of interest to the Occupational Safety and Health Administration (OSHA) (US), which lists ATs in its Materials Safety Data Sheets, see there. |