11. Cation exchange chromatography has been shown to effectively purify ?-interferon . ( Dembinski, et al .)12. Studies reveal that CrPO 4 catalyzes the adsorption of divalent cations onto its amorphous surface through the cation exchange mechanism. 13. Several possibilities ( uniport, anion : anion exchange and anion : cation exchange ) can account for the data. 14. What is included in the term, " cation exchange ", in soil science thus varies with the scientific context. 15. A decrease in pH reduces the retention time in cation exchange while an increase in pH reduces the retention time in anion exchange. 16. The total number of cations a soil can hold, its total negative charge, is the soil's cation exchange capacity. 17. Nutrient leaching occurs more readily in a sand-based system because sand has a relatively low cation exchange capacity ( CEC ). 18. Laterite soils have a high clay content, which means they have higher Cation Exchange Capacity and water-holding capacity than sandy soils. 19. Graphite oxide can be used as a cation exchange membrane for materials such as KCl, HCl, CaCl2, MgCl2, BaCl2 solutions. 20. Laterite soils have a high clay content, which means they have higher cation exchange capacity and water-holding capacity than sandy soils.
