Separation of chromium complexes from chromium tanning liquors and tanning wastewater by ion exchange method 离子交换法在铬鞣液及废铬液组成测定中的应用
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Abstract : three theory problems about technology of leather making are discussed . the first is the difference between surface charge and isoelectric point ( pi ) . the second is about the origin of the calculation formula of basicity in making cr3 + liquor . the third is the swelling mechanism of a skin or hide in basic medium 文摘:本文讨论了皮革制造中的三个理论问题,一是表面电荷与电点( pi )之间差别,二是三价铬鞣液配制中公式的简单来源,三是生皮在碱液中膨胀的机理。