Study of Chemical and Physical Properties and the Soil Sorption of Metolachlor and Carbofuran in Three Tropical Soils
1. Study of Chemical and Physical Properties and the Soil Sorption of Metolachlor and Carbofuran in Three Tropical Soils Jos é A. Dumas, Peter Nkedi-Kizza and Rafael Montalvo-Zapata
7. Hydrogeographic (HP) map of Puerto Rico North Coastal Limestone Aquifer South Coastal Alluvial Aquifer Chemico-pharmaceutical industries High urban development
12. Fulvic and Humic acid properties E4/E6-absorbance ratio at 400 and 600 nm Soil Series E4/E6 Total Acidity (meq/g humic) HA FA HA FA Aguilita 5.5 10.0 1.4 2.8 Cata ñ o 4.9 6.5 ND 0.44 Tiburones 3.2 10.4 1.6 3.2
17. Main functional groups of Fulvic acids ( β -humus) identified by ATR-IR Aguiliita Catano Tiburones Benzene rings Hydroxy groups Aromatic C-H Si-H C=O C-O
20. Chemical and physical properties of Metolachlor and Carbofuran MET-metolachlor; CAR-carbofuran Name Family Sol. (mg/L) Koc (mL/g) Kow pK b MET cloroacetanilide 530 200 2820 NA CAR carbamate 700 14-160 17-26 NA