Falk, MichaelSeto, Ping F.White, Mary Anne2013-08-232013-08-231984Reproduced from Falk, Michael, Ping F. Seto, and Mary Anne White. 1984. "Phase transitions in metal perchlorate hydrates: the supposed hydrate-to-pseudohydrate transformations.." Journal of Chemical Physics 81(8): 3752-3753, with the permission of AIP Publishing.0021-9606http://dx.doi.org/10.1063/1.448098http://hdl.handle.net/10222/36145A polemic. The hydrate-to-pseudohydrate transformations in metal perchlorate hydrates reported by M. B. Patel and H. D. Brist (ibid. 1983, 79, 4489) and Solid State Commun. (48, 139 (1983)) as well as the suggested hypochromic effect (P. and B., ibid. 1982, 76, 6445) are artifacts of incomplete drying of samples.article8183752