ION EXCHANGE 



399 



Table 9-3. Summary of Sugar Separations by Ion Exchange of Borate 



Complexes" 



Hexose mixture 



Fructose 



Galactose 



Glucose 



Hexose mixture 



Mannose 



Fructose 



Pentose mixture 



Ribose 



Arabinose 



Xylose 



Sucrose hydrolysis mixture 



Sucrose 



Fructose 



Glucose 



Sugar mixture 



Ribose 



Fructose 



Arabinose 



Galactose 



Xylose 



Glucose 



Sugar alcohols 



Sorbitol 



Dulcitol 



Mannitol 



Analysis of sugar mixture 



Sucrose 



Raffinose 



Stachyose 



Fructose 



Eluting agent 



0.018 M Na2B407 

 0.018 M Na..B407 

 0.03 ilf NaaB/), 



0.05 M boric acid + 0.004 M K.B^O- 

 0.015 If K2B4O7 



0.015 M K2B4O7 

 0.015 M K2B4()7 

 0.015 M K2B4O7 



0.005 M K2B4O7 

 0.02 M K2B4O7 

 0.03 ilf K2B4O7 



0.015 M K2B4O7 

 0.015 M K2B4O7 

 0.015 M K2B4O7 

 0.015 M K2B4O7 

 0.015 M K2B4O7 

 0.03 MK2B4O7 



0.015 M K2B4O7 

 0.015 M K2B4O7 

 0.03 Af K2B4O7 



0.001 Af K2B4O7 

 0.001 ilf K2B4O7 

 0.02 M K2B4O7 

 0.02 M K2B4O7 



" (Original sohitions contained from 1 to 10 mg of each sugar in 0.001 to 0.01 M 

 K2B4O7; column dimensions, 0.85 cm^ by 11 cm; strong-base anion resin, approxi- 

 mately 300 me,sh, borate form; flow rate, approximately 1 ml/min. 



[Compiled from G. R. Noggle, and L. P. Zill, Ion Exchange as a Tool for Studying 

 Plant Carbohydrates, in "The Role of Atomic Energy in Agricultural Research," 

 Proceedings of the Fourth Annual Oak Ridge Summer Symposium (Sponsored by the 

 Oak Ridge National Laboratory and Oak I^idge Institute of Nuclear Studies, Aug. 

 25-30, 1952), TID-5115, pp. 378 403, January, 1953.] 



