差示扫描量热法测定化合物沸点和蒸发热

Determination of boiling point and evaporation heat of compound by differential scanning calorimeter.

讨论了孔径、取样量、升温速率等条件对差示扫描量热法测定化合物沸点和蒸发热的影响 ,确定了合适的测量条件。本方法测得的沸点与文献值的误差在1℃以内 ,蒸发热的误差在10 %以内。

The effects of measurement conditions (hole diameter,sample weight and heating rate)on the measurement of boiling point and evaporation heat of compound by differential scanning calorimeter were investigated and the suitable measurement conditions were defined.Compared with data in reference book, the error of boiling point is within 1℃ and the error of evaporation heat is within 10%.