Yv. Butenko et al., STUDYING AND MODELING PRODUCTION OF PHOSPHORUS-ACID FROM SODIUM PHOSPHITE SOLUTION, Russian journal of applied chemistry, 70(12), 1997, pp. 1847-1850
Optimal regime of production of phosphorous acid from aqueous solution
of sodium phosphite was developed. The kinetics of removal of sodium
oxalate admixtures from phosphorous acid was studied.