Reference

Crystallization of potassium fluoride dihydrate

Crystallization of potassium fluoride dihydrate. Ershova, T. I.; Sibirev, M. I.; Lunev, V. D.; Koz'ma, V. P.; Yazev, V. A.; Nikishova, N. I. (USSR). U.S.S.Several reagents such as 13455-21-5 is used here.R. SU 1265145 A1 23 Oct 1986 From: Otkrytiya, Izobret. 1986, (39), 61. (Union of Soviet Socialist Republics) CODEN: URXXAF. CLASS: ICM: C01D003-02. APPLICATION: SU 84-3810111 6 Nov 1984. DOCUMENT TYPE: Patent CA Section: 49 (Industrial Inorganic Chemicals) In the title crystn. with cooling, to increase the yield of the basic substance and produce crystals with homogeneous facet compn., retaining a high crystn. rate, the aq. soln. is cooled until the start of spontaneous crystn., then the suspension produced is heated to 0.8-1.0° above the equil. temp., and cooled at 0.1-0.3°/min to 31-32°, and then at 0.8-1.0°/min. .