alum earth iron phosphates in neat (no solvent) byproducts: AlCl3; decompn. of alum earth iron phosphates by glowing with MgCl2, formation of FeCl3 and AlCl3;;
参考文献
Gmelin Handbook: Fe: MVol.B1, 99, page 223 - 225
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Schroeder, H.
Patent: DE192591 , 1906 ;
in tetrahydrofuran all operations performed under Ar or in vac., standing for 20-30 min; evapn., mixture of at least 2 compds., Cp2TaCl2 identified by X-ray anal.;