EJNMMI Radiopharmacy and Chemistry

Table 1 Percentages of Ag(I) and Pd(II) chloro-complexes computed to form at selected HCl concentrations (equilibrium calculations were performed based on the data reported in the IUPAC Stability Constant Database (“ScQuery” 2006)

From: Chromatographic separation of silver-111 from neutron-irradiated palladium target: toward direct labeling of radiotracers

HCl [mol/L]	Ag species			Pd species
HCl [mol/L]	Ag⁺	[AgCl]	[AgCl₂]⁻	Pd²⁺	[PdCl]⁺	[PdCl₂]	[PdCl₃]⁻	[PdCl₄]²⁻
0.005	6.4	63.9	29.7	0	3.8	58.1	36.6	1.5
0.1	0	9.7	90.2	0	0	4.2	53.3	42.5
1	0	1.1	98.9	0	0	0.1	11.1	88.8
6	0	0.2	99.8	0	0	0	2	98

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