Table 9.
Chemical formula of polyoxotungstates
| Compound | Chemical formula | Color a | Species |
|---|---|---|---|
| PM-504 | K7H5[Ge2Ti6W18O77]16H2O | White | Keggin Dimer |
| PM-518 | [Et2NH2]7[PTi2W10O40] | White | Keggin |
| PM-520 | [Pri2NH2]5[PTiW11O40] | White | Keggin |
| PM-523 | [PriNH3]6H[PTi2W10O38(O2)2]2H2O | Orange | Keggin |
| PM-802 | Na7H9{Eu3O(OH)3(H2O)3}2Al2(Nb6O19)5}47H2O | White | Lindqvist Trigonal |
| PM-803 | (NBu4)4(PriNH3) [PTi2W10O38(O2)2]2H2O | Yellow | Keggin |
| PM-1001 | K10Na[(VO)3(SbW9O33)2]26H2O | Black | Keggin Sandwich |
| PM-1207 | K12[(VO)3(AsW9O33)2]12H2O | Dark brown | Keggin Sandwich |
| PM-1208 | K12[(VO)3(BiW9O33)2]29H2O | Black | Keggin Sandwich |
| PM-1210 | [NH4]12H(BiW9O33)3Bi6(OH)3(H2O)3V4H10]25H2O | Brown | Keggin Trigonal |
| PM-1213 | K12[(VO)3(PW9O34)2]nH2O | Dark grey | Keggin Sandwich |
a
Color of powder.