Characterization of Clays and Clay-organic Complexes
Título en español
| dc.creator | ||
| dc.date | 1966-10-01 | |
| dc.date.accessioned | 2022-11-04T15:28:37Z | |
| dc.date.available | 2022-11-04T15:28:37Z | |
| dc.identifier | https://revistas.upr.edu/index.php/jaupr/article/view/3469 | |
| dc.identifier | 10.46429/jaupr.v50i4.3469 | |
| dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/5122721 | |
| dc.description | Information is presented with reference to the infrared spectroscopy of blackstrap molasses, rum distillery slops, the active fraction of the slops, clays of four poorly drained soils, and of the complexes formed between organic materials and the clays of Fe, Guanica, Whippany, and Evesboro soils. The X-ray spectroscopy of two of the clays of montmorillonitic nature and of the complexes formed with the organic materials is also shown. Characteristic peaks of the organic materials include those caused by hydroxyl, methyl, amino, methoxy, carbonyl, and ketonic groups. The spectra of the clays showed peaks which are attributed to hydroxyl, bonded and unbonded, adsorbed water, silica tetrahedra, and aluminum octahedra. Hydrogen-bonding occurred between the exposed hydroxyl groups of the clay crystals and the molasses, slops, and its active residue. There was no shift in the 2 angle of diffraction of the expanding-laitice clays, indicating that there was no adsorption in the interlamellar spaces. The adsorption was possible at the edges of the crystal. This finding was strengthened by the fact that rather than undergoing a decrease in cation-exchange capacity there was a slight increase in the expending lattice clays. | en-US |
| dc.description | En este trabajo se informa sobre la espectroscopia infraroja de la miel final, del mosto y su residuo activo, de las arcillas de cuatro suelos de mal desagüe y de los complejos formados entre los materiales orgánicos y las arcillas de los suelos Fe, Guánica, Whippany y Evesboro. También, se incluye la espectroscopia, por medio de los rayos X, de dos de las arcillas de naturaleza montmorillonítica y de los complejos formados con los materiales orgánicos. Los picos característicos de los materiales orgánicos incluyen los que corresponden a los grupos de los hidroxilos, los metílicos, amínicos, metóxicos (()--CH2) y cetónicos,. El espectro de las arcillas reveló picos propios de los hidroxilos, sin enlazar y enlazados, del agua adsorbida, de los de tetrahedro de sílice y de los de octahedro de aluminio. Se determinó la presencia de enlaces de hidrógeno entre los hidroxilos externos del cristal arcilloso y la miel, el mosto y su residuo activo. No hubo cambio en el ángulo 2 de difracción de las arcillas que se expanden, indicando que la adsorción de los materiales orgánicos tuvo lugar en el exterior del cristal arcilloso y no entre las lamelas. | es-ES |
| dc.format | application/pdf | |
| dc.language | eng | |
| dc.publisher | University of Puerto Rico Mayagüez Campus Agricultural Experiment Station | en-US |
| dc.relation | https://revistas.upr.edu/index.php/jaupr/article/view/3469/2970 | |
| dc.rights | Derechos de autor 2016 Journal of Agriculture of the University of Puerto Rico. | es-ES |
| dc.source | The Journal of Agriculture of the University of Puerto Rico; Vol. 50 No. 4 (1966): Vol. 50, No. 4, October 1966; 303-315 | en-US |
| dc.source | Journal of Agriculture of the University of Puerto Rico; Vol. 50 Núm. 4 (1966): Vol. 50, No. 4, October 1966; 303-315 | es-ES |
| dc.source | 2308-1759 | |
| dc.source | 0041-994X | |
| dc.source | 10.46429/jaupr.v50i4 | |
| dc.subject | Clay minerals | en-US |
| dc.subject | Infrared spectrography | en-US |
| dc.subject | Clay | en-US |
| dc.subject | Soils | en-US |
| dc.title | Characterization of Clays and Clay-organic Complexes | en-US |
| dc.title | Título en español | es-ES |
| dc.type | info:eu-repo/semantics/article | |
| dc.type | info:eu-repo/semantics/publishedVersion |