in not given neutralization of H3PO4 (made by wet process from natural Karatau phosphorite) with NH3, evapn., dehydration (230 - 250.degree, 3.0 - 3.5 h); mixt. not sepd.; X-ray diffraction;
参考文献
Gavrilov; Zhdanov; Leneva; Dubinin; Pachina; Kalinina
Journal of applied chemistry of the USSR, 1984 , vol. 57, # 7 pt 1 p. 1339 - 1342
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参考文献
Gluud, W.; Klempt, W.; Brodkorb, F.
Ber. Ges. Kohlentech., 1929 , vol. 3, p. 465 - 492
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Gmelin Handbook: S: MVol.B2, 7.3.4, page 883 - 894
in not given syrupy H3PO4 reduced to H3PO2 at 200°C and 40 h in sealed tube, H3PO2 partly dissocs. to H3PO3 and PH3;
参考文献
Oppenheim, A.
Bulletin de la Societe Chimique de France, 1864 , vol. 1, p. 163 - 165
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Gmelin Handbook: P: MVol.C, 46, page 93 - 95
