-}4- 5 Ce 44_p, 44 } | 1 104} 7 r Fy 55 J C/M GAMMA/FRACTION P 1 Ce l44..p,144 -— Co 4 4 t__\__. Ce 44_p, 144 . " 103¢ 7 t C3137 5 — Ce '44_p, 44 § INOT 4 ‘ 4 | J . IDENTIf=FIED ; NOT IDENTIFIED J loz r C Mn>4 | | 71 3137 ] | 1 r 10 | pH2.8 | pH 3.1 5% AMMONIUM ] p33 | CITRATE pH6.t [resin ne ANIONS Fig. 5 Secondary elution curve for the ammonium citrate pH 4.1 fractlons from a Dowex 50 cationic resin column using 5 per cent ammonium citrate at pH 2.8, 3.1, 3.3, and 6.1.

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