Wolfram. 



549 



084a 



.4 mmonium manganieo-tiinystate , 



4(NH,)20, Mn^Oj. I2WO3, 23H2O 



Ammonium platinoso-tungstate, 



3(NH4)20, 2Pt02, 7WO3, 11H,0 



Barium platinoso-tung state, 



4BaO, 2Pt02, 7WO3, 19H,0 



Ammoniutn platnioso-pJwspho-tungstate, 



4(NH,)20, 6Pt02, P2O5, 9WO3, 13iH20 



Barium platinoso-phospho-tungslate, 



lOBaO, 12Pt02, P2O5, ISWO3, 42H2O 



Brubaker, HowarJ W. Derivatives 

 of complex inorganic acids. Thesis. 

 University of Pennsylvania. Easton, 

 Pa., 1904, (11). 23.2 'cm. 



Grossmarm, Hermann und Kramer, 

 Hans. Ceber einige Komplexverbin- 

 dungen der Molybdan- iind Wolfram- 

 saure mit organischen Sauren. Zs. 

 anorg. Chem., Hamburg, 41, 1904, 

 (43-60). 



Henderson, William Hope. Ueber Sili- 

 covanadinwolframate, eine neue Klasse 

 von chemisohen Verbindungen. Phil. 

 Diss. 1901-1902. Bern, 1902, (31, mit 

 3 Tab.j. 8vo. 



Kehrmami, F. Zur Kenntnis der 

 komplesen anorganischen Sauren. 9. 

 Abh. Ueber die Kieselwolframsaure, 

 ihre Zusammeusetzung und Analyse. 

 Zs. anorg. Chem., Hamburg, 39, 1904, 

 (98-107). 



et Fluerscheim, B. Sili- 



cotunflstate. Arch. Sci. Phys., Geneve, 

 (ser. 4), 13, 1902, (403-404, 520-521). 



A mmonium plioapho-vanadio-tungstatc, 



U{^B.,\0, 2P205, SVsOj, 



34WO3 + 86H2O 



Silver pliospho-vanadio-tungstate, 

 13Ag20, 2P2O5, 8V2O5, 33WO3 + 4IH2O 



Ammonium pltospho-vanadico-tungatate, 



lo(SE,\0, 2P2O5, 6V2O3, 44W63 + 



IO6H2O 



A mmonium phosphorieo-vanadico- 



tungstate, 



14(NH4)20, 2P2O3, 7V2O3, 3IWO3 + 



78H20 



Ammonium arseno-vanadio-tungatate, 



18(NH4)20, 2A8205, I3V2O5, 39WO3 4- 



88H,0 



Ammonium arseno-vanadico-tungstate, 



17(NH4)2(), 2As,05, 14iV203, 26WO3 -}- 



" 98H26 



Ammonium phosplio-arseno-vauadio- 



tungstate, 



82(NH4)20, I2P2O5, 3As,05, 52V2O5, 



201 WO3 + 567H2O 



Ammonium phospJio-arseno-vanadico- 



tungstate, 



88(NH4)20, 12P,05, 2AS2O5, G9V,03, 



I48WO3 + 484H2O 



Ammonium phospho-arseno-vanadio- 



vanadicotungstate, 



99(XH4)20, I2P2O5, 2As,05, 66V2O5, 



6V2O3, I9IWO3 + 522H2O 



Ammonium arsenieo-vaiuidic.o-tungstate , 



16(XH4)20, 5As,03, I5V2O3, 26WO3 + 



iOlHsO 



Ammon ium pltosplio-vnnadio-vanadico- 



tungstate, 



14(XH4),0, 2P2O5, 7V2O5, 3V2O3, 



27WO3 + O6H2O 



Ammonium arseno-vanadio-vanadico- 



tungstate, 



17(NH4),0, 2AS2O5, 7V2O5, 4V2O3, 



32W03 + 73H2O 



Rogers, Allen. Derivatives of new- 

 complex inorganic acids. [From Tliesis. 

 University of Pennsylvania. 1902.] 

 Philadelphia, Cont. John Harrison Lab. 

 Chem. Univ. Pa., No. 68 iu J. Amer. 

 Chem. Soc, Easton, Pa., 25, 1903, (298- 

 315). 



and Smith, Edgar F. De- 



rivatives of complex inorganic acids. 

 [Third i)aper.] [Compounds of am- 

 monium vanadico - phospho - tungstate 

 with dioxides of silicon, titanium, zir- 

 conium, thorium and tin.] Philadelphia,, 

 Cont. John Harrison Lab. Chem. Univ. 

 Pa., No. 77 in J. Amer. Chem. See.,, 

 Easton, Pa., 25, 1903, ([1223]-1227). 



Derivatives of 



complex inorganic acids. [Fourth 

 paper.] [Ammonium vanadico- and 

 ammonium vanadoso- tungstate.] 

 Philadelphia, Cont. John Harrison Lab. 

 Chem. Univ. Pa., Xo. 78 in J. Amer. 

 Chem. Soc, Easton, Pa., 25, 1903, 

 (1227-1229). 



Wyman, Levi Parker. The purifica- 

 tion of tungstic acid. Thesis. Univer- 

 sity of Pennsvlvania, Philadelphia, 1902,^ 

 (15). 24.3 cm. 



