Sodium Metaphosphate

Literature References: (NaPO3)n where "n" may be 2 or more. Prepd by dehydration of sodium phosphates (e.g. Na2H2P2O7, NaH2PO4, Na2HPO4). Several different forms are known. Reviews: J. R. Van Waser, Phosphorus and Its Compounds vol. 1 (Interscience, New York, 1958) pp 601-800; Pantony in Mellor's vol. II supplement II, The Alkali Metals (Part 1), 1316-1349 (1961); Thilo in Adv. Inorg. Chem. Radiochem. 4, 1-75 (1962). See also Sodium Hexametaphosphate; Sodium Trimetaphosphate; Maddrell's Salt.