Chemical elements
    Chemical properties
      Yttrium fluoride
      Yttrium chloride
      Yttrium bromide
      Yttrium chlorate
      Yttrium perchlorate
      Yttrium bromate
      Yttrium iodate
      Yttrium per-iodate
      Yttrium sesquioxide
      Yttrium hydroxide
      Yttrium sulphide
      Yttrium sulphite
      Yttrium sulphate
      Yttrium dithionate
      Yttrium selenite
      Yttrium selenate
      Yttrium tungstate
      Yttrium silicotungstate
      Yttrium nitrate
      Yttrium orthophosphate
      Acid yttrium orthophosphate
      Yttrium hydrogen pyrophosphate
      Yttrium metaphosphate
      Yttrium carbide
      Yttrium carbonate
      Yttrium platinocyanide
      Yttrium thiocyanate
      Yttrium oxalate
      Yttrium ethylsulphate
      Yttrium acetylacetonate
      Yttrium silicate
    PDB 1dde-3uf3

Yttrium oxalate, Y2(C2O4)3

Yttrium oxalate, Y2(C2O4)3.9H2O, is obtained by double decomposition as a white, crystalline precipitate.

yttrium oxalate solubility diagram
The system Y2(C2O4)3 - K2C2O4 - H2O at 25° C. Solubility diagram.
The only stable yttrium potassium oxalate at 25° has the formula Y2(C2O4)3.4K2SO4.12H2O, and is decomposed by water. Fig. shows the solubility diagram, as determined by Pratt and James.

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