TABLE 1

Relative Distribution of Ga(III), Ge(IV), Zn(II), Ti(IV), and Fe(III) on Microchromatographic Column (50 mg of Bio-Rad AG 50W-X8 resin, 400 Mesh) in Hydrochloric Acid/Acetone Media

			Relative distribution (%)
Volume	Step	Eluent (concentration)	Ge(III)	Ge(IV)	Zn(II)	Ti(IV)	Fe(III)
Set 1
7 mL	Generator elution	0.10N HCl	0.19	98.14	0.61	5.34	0.45
5 mL	Purification	80% acetone/0.10N HCl	0.58	1.83	99.39	2.68	53.75
0.4 mL	Ga(III) elution	97.6% acetone/0.05N HCl	98.50	2·10⁻²	5·10⁻²	5·10⁻²	43.54
1 mL	Washing	4N HCl	0.53	6·10⁻³	<10⁻³	90.92	2.01
1 mL	Washing	H₂O	0.20	5·10⁻³	<10⁻³	1.01	0.29
Set 2
7 mL	Generator elution	0.10N HCl	0.16	97.08	0.77	7.30	0.13
0.6 mL	Purification	80% acetone/0.15N HCl	1.43	2.92	98.15	0.68	37.86
0.4 mL	Ga(III) elution	97.6% acetone/0.05N HCl	97.82	3·10⁻²	1.08	7·10⁻²	49.78
1 mL	Washing	4N HCl	0.41	5·10⁻³	5·10⁻³	72.15	11.61
1 mL	Washing	H₂O	0.18	3·10⁻³	<10⁻³	19.80	0.62
Set 3
7 mL	Generator elution	0.10N HCl	0.11	97.68	0.43	7.18	0.73
5 mL	Purification	80% acetone/0.15N HCl	6.29	2.32	99.57	3.99	87.37
0.4 mL	Ga(III) elution	97.6% acetone/0.05N HCl	92.73	5·10⁻³	<10⁻³	0.11	11.10
1 mL	Washing	4N HCl	0.77	2·10⁻³	<10⁻³	86.54	0.71
1 mL	Washing	H₂O	0.10	2·10⁻³	<10⁻³	2.18	0.09
Set 4
7 mL	Generator elution	0.10N HCl	0.29	98.08	0.92	6.33	0.4
0.6 mL	Purification	80% acetone/0.20N HCl	6.34	1.86	96.58	1.11	54.0
0.4 mL	Ga(III) elution	97.6% acetone/0.05N HCl	92.96	5·10⁻²	3.70	0.11	42.6
1 mL	Washing	4N HCl	0.28	6·10⁻³	<10⁻³	87.37	2.9
1 mL	Washing	H₂O	0.13	6·10⁻³	<10⁻³	5.08	0.1