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Solid state studies on ammonium uranyl peroxy oxalates

Journal of Inorganic and Nuclear Chemistry, 1965
Abstract Infra-red absorption spectra, X-ray powder diffraction data and differential thermal analysis curves for the ammonium uranyl peroxy oxalates (NH4)2U2O6(C2O4)2·2H2O,(NH4)2UO4C2O4·3H2O, (NH4)2U2O8C2O4·4H2O and ammonium pyroperuranate (NH4)2U2O9·6H2O are recorded. The peroxy oxalates are characterized as ionic from their infra-red spectra.
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Double ammonium oxalates of the rare earths and yttrium

Journal of Inorganic and Nuclear Chemistry, 1964
Abstract The rare earths and yttrium are precipitated by oxalic acid from acidic solutions, on the addition of ammonia, as double salts of the structure NH4LnOx2·yH2O, where y = 1 or 3. Precipitation is carried out from strongly acid solutions of the light earths, and less strongly acidic solutions of the heavy earths and yttrium.
M.F. Barrett, T.R.R. McDonald, N.E. Topp
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Protection of medieval tombstones (Stećci) with ammonium oxalate treatment [PDF]

, 2016
Since 2013 Croatian Conservation Institute has performed research and preliminary conservation works on medieval tombstones (stećci) on the archaeological site Crljivica near Cista Velika in Croatia. During the project, tombstones from several sites in the region of Cista were analysed for provenance study and for protection of stones.
Marinković, Vinka, Mudronja, Domagoj
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Ammonium Oxalate

2021
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Ammonium Oxalate TS

2021
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EXPERIMENTAL ACUTE AMMONIUM OXALATE POISONING OF SHEEP