ABSTRACT

The GaPO 4 ·2H 2 O, GaH 2 P 3 O 10 , and GaPO 4 ·H 3 PO 4 ·3H 2 O quaternary compounds are formed in the Ga–H–O–P system (Tananaev and Chudinova 1962; Mooney-Slater 1966; Pâques-Ledent and Tarte 1969; Chudinova et al. 1978).