Organic Sorption and Cation
Glacial Sand, Long Island.
The Graduate School
Fulfillment of the Requirements For the Degree
Master of Science in Earth and Space Sciences
State University of New York At Stony Brook
Table of Contents
Tables (All tables for Chapter 2 are on a separate web page. This file is about 190 kb.)
Table 1. Cation exchange capacity of the different types of material
Table 2. Results of the measurement of cation exchange capacity
Table 3. Cation exchange capacity of the sediments from Port Jefferson, South Setauket, David Weld Preserve, Fox pond and Cathedral Pine County Park
Table 4. Relative ion concentration to the total cation exchange capacity
Table 5. pH values (BaCl2 and pH)
Table 6. Concentration of hydrogen ion in the core from Cathedral Pine County Park
Figure 1 (A-D). The comparison among whole sand Kd, coatings Kd, naked sand Kd, sonicated sand Kd but without separation of coatings, Kd HCl treated sand and the sum of coatings Kd * fraction of coatings and Kd of naked sand * fraction of naked sand
Figure 2. Correlation between the fraction of total organic carbon and Kd of the coatings. Coarse sand from Port Jefferson (samples 1 and 5) and coarse-medium sand from South Setauket (samples 6 and 7)
Figure 3. Correlation between surface area and Kd of the coated sand, coarse sand from Port Jefferson (samples 1 and 5) and coarse-medium sand from South Setauket (samples 6 and 7)
Tables (All tables for Chapter 3 are on a separate web page. This file is about 75 kb.)
Table 1. The Kd values for the whole sand, the coatings, the naked sand, the sonicated sand without separation of coatings and the sand without iron compounds
Table 2. Fraction of the coatings to the whole coated sand mass
Table 3. The estimation of the contribution of the naked sand and the coatings to the sorption of the whole sand
Table 4. Fraction of organic carbon
Table 5. Surface area
Table 6. The comparison among the log Koc whole sand, log Koc coatings, log Koc naked sand and predicted log Koc
Table 7. The comparison between experimental and predicted Ksa
Figures 1 through 13 are not yet available.
Figure 1. XRD patterns of the air-dried fraction < 2 mm. Fine sand from beach cliff at David Weld Preserve (sample 10)
Figure 2 (A-B). The XRD patterns of 6M HCl treated and 300 0C heated sample 10
Figure 3. 2000 x SEM image. Coated mineral surface.
Figure 4. 2000 x SEM image. Coated mineral surface
Figure 5. 2000 x SEM image of the grains ofthe coarse heavily coated sand from Port Jefferson (sample 1)
Figure 6. 1000 x SEM image. Small particles of clay are on the surface of the large grain
Figure 7. 1000 x SEM image. Surface of the sample 1 (coarse sand)
Figure 8. 2000 x SEM image. Clear grain surface shows etch pits.
Figure 9. 1000 x SEM image Surface of the medium- coarse sand from Port Jefferson
Figure 10. 2000 x SEM. Surface of the coarse sand from Port Jefferson.
Figure 11. 1000 x SEM Laminar clay structure in the fine sand
Figure 12. 75 x SEM Mica shaped grains
Figure 13 (A-D). TEM and SAED images of the clay particles
Figure 14. Ternary diagram shows compositional range of illite, chlorite, kaolinite and celadonite and chemical composition of the coating
Table 1. Basal reflection d-spacing for common clay minerals.
Table 2. Fraction of the coatings and the fraction of the total organic carbon measured on the whole sand and the coatings