Przemysl Chemiczny, Vol.92, No.6, 1121-1124, 2013
Study on production of sodium tripolyphosphate by one-stage dry method using wet-process phosphoric acid
H3PO4 from the wet process was converted with Na2CO3 to Na5P3O10 at Na/P mole ratio 1.67 and 25-55 degrees C by heating in a powder diffractometer with high temp. reaction chamber to study the phase transformations of the product. An occurrence of a liq.-phase at about 217 degrees C was obsd.