68.Which technique used for tiie separation of compounds is based on the di争rent electrostatic interactions between the stationary phase and solutes.
(A) ion exchange chromatography
(B) solvent extraction
(C) paper chromatography
(D) distillation
(E) none of the above
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統計: A(16), B(0), C(2), D(0), E(0) #3222835
統計: A(16), B(0), C(2), D(0), E(0) #3222835
詳解 (共 2 筆)
#7318127
A:ion exchange chromatography:利用正負電荷的靜電引力
C:paper chromatography:主要靠氫鍵和凡得瓦力
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