Fig. 1. Sorption isotherms of p-nitrocyanobenzene (p-NCB), 2,4-dinitrotoluene (DNT), and 1,4-dinitrobenzene (DNB) by K+– and Mg2+–saturated Webster A horizon soil (WA) and Webster A horizon soil from which soil organic matter was removed (WAO).
Fig. 2. Sorption isotherms of p-nitrocyanobenzene (p-NCB), 2,4-dinitrotoluene (DNT), and 1,4-dinitrobenzene (DNB) by K+– and Mg2+–saturated Webster B horizon soil (WB) and Webster B horizon soil from which soil organic matter was removed (WBO).
Fig. 3. Sorption isotherms of p-nitrocyanobenzene (p-NCB), 2,4-dinitrotoluene (DNT), and 1,4-dinitrobenzene (DNB) by K+– and Mg2+–saturated Clarion A horizon soil (CLA) and Clarion A horizon soil from which soil organic matter was removed (CAO).
Fig. 4. Sorption isotherms of p-nitrocyanobenzene (NCB), 2,4-dinitrotoluene (DNT), and 1,4-dinitrobenzene (DNB) by K+– and Mg2+–saturated Clarion B horizon soil (CLB) and Clarion B horizon soil from which soil organic matter was removed (CBO).
Fig. 5. Sorption isotherms of p-nitrocyanobenzene (p-NCB), 2,4-dinitrotoluene (2,4-DNT), and 1,4-dinitrobenzene (1,4-DNB) by K+–beidellite. Isotherms with different letters are statistically different at = 0.05.
Fig. 6. Sorption isotherms of 1,3,5-trinitrobenzene (TNB) by K+– and Mg2+–saturated Webster B horizon soil (WB) and Webster B horizon soil from which soil organic matter was removed (WBO).