硝酸饱和蒸汽压的关联方程

A Correlation Equation for Saturated Vapor Pressure of Nitric Acid

通过分析比较,选取Antoine方程作为硝酸饱和蒸汽压的关联方程,并回归方程的参数A、B、C分别为13.48、138.38、1504.1。硝酸饱和蒸汽压关联方程计算的绝对平均误差为3.1%,满足工程计算要求,且简单方便。

Antoine equation was chosen as saturated vapor pressure of nitric acid by analyzing and comparing. And Antoine equation parameters （A,B,C） were regressed as follows： 13.48,138.38,1504.1. The calculated absolute average error was 3.1%, which satisfied engineering calculation. A correlation equation for saturated vapor pressure of nitric acid was simple and convenient.