in neat (no solvent)
H3PO4 is recovered by glowing (NH4)3PO4;;
参考文献
Jurisch
Dinglers Polytech. J., 1888 , vol. 257, p. 430 - 430
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Gmelin Handbook: Cl: MVol., 32, page 100 - 102
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Witt
Patent: DE34395 , 1885 ;
Geuther, A.
Jena. Z. Med. Naturwiss., 1873 , vol. 7, p. 380 - 390
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Geuther, A.
J. prakt. Chem. (2), 1874 , vol. 8, p. 359 - 372
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Gmelin Handbook: P: MVol.C, 193, page 443 - 445
in not given
react. of H3PO4 with POCl3 on a water bath on repeated shaking; react. under evolution of HCl;; removal of an excess of POCl3 on heating at 120 °C for 1 h;;
参考文献
Geuther, A.
Journal fuer Praktische Chemie (Leipzig), 1874 , vol. 8, p. 359 - 372
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Giran, H.
Ann. Chim. Phys., 1903 , vol. 30, p. 203 - 288
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Gmelin Handbook: P: MVol.C, 101, page 224 - 227
in neat (no solvent)
byproducts: pyrophosphite, diphosphate; mixing PCl3 with anhydrous H3PO4 and H3PO3 (molar ratio of educts 1:3:2); heating at 50 °C for 10 h; neutralization;; formation of a large amount of iso-hypophosphate (Na3HP2O6) and diphosphate (Na2H2P2O7) and a small amount of pyrophosphite (Na2H2P2O5); detected by iodometry and chromatography;;
参考文献
Thilo, E.; Heinz, D.
Z. anorg. allg. Chem., 1955 , vol. 281, p. 303 - 321
in not given
byproducts: P; react. with H3PO4 at water bath temp. forming HPO3, H3PO3 and HCl; react. of H3PO3 with PCl3 forming P, H3PO4 and HCl; react. of HPO3 with H3PO4 forming H4P2O7 and decompn. of H4P2O7 with PCl3 on heating forming HPO3, H3PO3 and HCl;;
参考文献
Geuther, A.
Jenaische Z. Med. Nturwiss., 1873 , vol. 7, p. 380 - 390
