2Cu+O2 ~~2 CuO& Z0 V5 \* ]0 C( V0 n
3 Cu+O2~~CuO+ Cu2O
4 Q& ~5 O$ S7 ?; c; ^5 _0 D4 nCuO+2NH4OH+2NH4cl ~~~ Cu(NH3)4cl2+3H2O5 [( g6 H+ o, s
Cu2O+2NH4OH+2NH4cl_____2Cu(NH3)2cl+3H2O* Z/ i& Z3 Z" z0 K& c
Cu(NH3)2cl+4NH4OH+4NH4cl+O2___
! d! a8 ~! z7 R1 w4 c
3 I7 p O6 l: q% o, k0 i) T+ w: e# n4Cu(NH3)4cl2 +6H2O
1 k/ B) p$ b; ?7 NCu(NH3)4cl2 +Cu ___ 2Cu(NH3)2cl
# I; D% U+ e- Z( ^) E* F9 V |