-13-
ML
OF
ELUATE
0.3 8 13 B23 2630 37 40
L
475\_62
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4
103
4
t
]
i
C/M BETA/
FRACTION
q
fF
102 F
7
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|
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}
10
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fam Ta T2.sm 7 0.5m fo.005m }RESIN
————
HC]
———-——
Fig. 4 Separation of the oxalic acid fraction from Dowex 50
by elution with hydrochloric acid of different molarities from Dowex 1 anionic resin.