Boiling Points of the System of Formic Acid and Water
Bull. Chem. Soc. Japan 14(11), 508-509 (1939) (https://www.thevespiary.org/rhodium/Rhodium/pdf/formic-azeotrope.pdf)
(https://www.thevespiary.org/rhodium/Rhodium/pdf/formic-azeotrope.pdf)
Abstract
Boiling points of liquid and the compositions of the liquid and the vapour phase in equilibrium in the system of formic acid and water were determined in wide range of composition and temperature, and from above data the equation of vapour pressure of azeotropic point was determined.