Table 2.

Stoichiometry by Mössbauer spectroscopy and ICP-OES.

sample	Mössbauer			ICP-OES
	phase	spectral contribution (%)	stoichiometry	stoichiometry
A	—	—	—	K0Cu[Fe(CN)6]0.59
B	—	—	—	K0.23Cu[Fe(CN)6]0.49
C	C–FeII	34	—	K0.24Cu[Fe(CN)6]0.69
	C–FeIII	66
D	C–FeII	100	—	K1.10Cu[Fe(CN)6]0.73
E	C–FeII	50	KFeIIIFeII(CN)6	—
	N–FeIII	50
F	C–FeII	44	K0.25FeIII/II[FeII(CN)6]0.79	—
	N–FeIII	51
	N–FeII	5
G	C–FeII	11	—	K0.18Cu[Fe(CN)6]0.69
	C–FeIII	89
H	C–FeII	15	K0.74FeIII[FeIII/II(CN)6]0.67	—
	C–FeIII	25
	N–FeIII	60
I	C–FeII	37	—	K0.10Cu[Fe(CN)6]0.68
	C–FeIII	63
J	—	—	—	K1.51Cu[Fe(CN)6]0.79
K	—	—	—	K0.86Cu[Fe(CN)6]0.72
L	—	—	—	K1.86Mn[Fe(CN)6]0.97