Antoine equation, where P denotes the vapor pressure (mmHg) at temperature T (C)
select chemicals A B C
醋酸 C2H4O2 0至36度
lg p=A-B/(C+t) 7.80307 1651.2 225
式中A、B、C为三常数；p为化合物的蒸汽压（mmHg柱）；t为摄氏温度。
temperature 20℃
A-B/(C+t) 1.063478163
P 11.57385836 mmHg
P(abs) 0.015228761 bar
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