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最后更新: 2022-11-23
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fig.2. equilibrium data: 0 butyl ester copolymer: 2.91 mgm. equiv./gm. 14 15 mole yodivinylbenzene. @ above resin su1phonated: 4.87 mgm. equiv./gm. 14 15 ~nole% divinylbenzenc. @ data of reichenberg (10): 5.00 mgm. equiv./gm. 15 mole % divinylbenzene. 9 data of bonner (2): 5.10 mgm. equiv./g~n.14 n~ole% divinylbenzene. solid lines are results for hypothetical exchanger with parameters as shown in table 11. groups. all sulphonate groups within a type are assumed to be identical. activity coefficieilts are assumed to be unity and swelling pressure variations are assumed to be negligible. for this hypothetical resin the following equations can be written for the uni univalent exchange of the ionic species a and b: where: @) represents the inole ratio of a to b on the type 1 sulphonate r i groups, subscript rs represents type 2 sulphonate groups, subscript ,represents solution. these two equations may be combined to give the follo~vingexpression for the over all exchange on the resin : ll 1 [(i c1)kl t where: subscript represents the resin as a whole, c1 represents the fraction of the whole resin capacity which is type 1 capacity
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最后更新: 2018-10-17
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