Struvite
Title: Struvite
CAS Registry Number: 15490-91-2
Additional Names: Magnesium ammonium phosphate hexahydrate; guanite
Molecular Formula: H6MgNO5P.6H2O
Molecular Weight: 263.42
Percent Composition: H 6.89%, Mg 9.23%, N 5.32%, O 66.81%, P 11.76%
Line Formula: (NH4)MgPO4.6H2O
Literature References: Phosphate mineral named in honor of H. C. G. von Sturve, a Russian naturalist, in 1845 by Ulex, a Swedish geologist. A component of urinary calculi and bat guano also found as a contaminant in canned foods, in waste management systems. Production by urease-splitting bacteria: H. Robinson, Proc. Cambridge Philos. Soc. 6, 360 (1889); J. Beavon, N. G. Heatley, J. Gen. Microbiol. 31, 167 (1962); M. T. Gonzalez-Munoz et al., Chemosphere 26, 1881 (1993). Identification in tinned seafood: M. T. Gilles, Seafood Processing in Food Processing Review 22, (Noyes Data Corp., Park Ridge, NJ, 1971) pp 31-58; in home-canned beef: J. G. Sebranek et al., J. Muscle Foods 4, 81 (1993). Precipitation in sludge digesters: C. Maqueda et al., Water Res. 28, 411 (1994). Crystal growth: R. J. C. McLean et al., Urol. Res. 18, 39 (1990). Thermodynamics of formation: J. R. Buchanan et al., Trans. ASAE 37, 617 (1994). Chemical control in waste systems: J. R. Buchanan et al., ibid. 1301. Review of struvite urolithiasis: formation, detection and dissolution: C.A. Osborne et al., Adv. Vet. Sci. Compar. Med. 29, 1-101 (1985). Review of struvite calculi: M. J. Gleeson, D. P. Griffith, Br. J. Urol. 71, 503-511 (1993).
Properties: Glass like crystals.

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