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Ammonium diuranate

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Ammonium diuranate

Molecular formula: H8N2O7U2 CAS# 7783-22-4
Categories: Inorganic salt
Names
English:
ADU
Ammonium diuranate [Wiki]
Ammonium uranate
Ammonium uranate(VI)
Ammonium uranium oxide ((NH4)2U2O7)
Diammonium diuranate
Diammonium diuranium heptaoxide
Diammonium diuranium pentaoxide
EINECS:231-986-2
Uranic acid, diammonium salt
Yellowcake
diazanium;oxygen(2-);uranium(IUPAC)

Variants of the formula:

(NH4)2U2O7
$slope(45)H/N^+<`\H><\H>/H\0O^2-# -0U^6+<`|0O^2-><|0O^2->-0O^2-# -0U^6+<`|0O^2-><|0O^2->-0O^2-/0H\N^+</H><`/H>\H
H/N`^+<_q4H><_p4H>/H\0O`^-/U<_qq4O><_pp4O>/O\U<_qq4O><_pp4O>\O^-/0H\N^+<_q4H><_p4H>\H
NH4^+# -0O`^-# -U<`||O><||O>-O-U<`||O><||O>-O^-# -0NH4^+
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Ammonium diuranate is involved

  • 2UO2F2 + 6NH4OH -> (NH4)2U2O7"|v" + 4NH4F + 3H2O
  • 3(NH4)2U2O7 "T"-> 2U3O8 + 6NH3 + 3H2O + O2
  • (NH4)2U2O7 + 2H2 -> 2UO2 + 2NH4OH + H2O
  • (NH4)2U2O7 "250-280^oC"--> 2UO3 + 2NH3 + H2O