The Development of Pigments Reflects Infrared Radiation from Gravel (Lateritic) Soils

Main Article Content

Yotin Kallayalert
Pannraphat Takolpuckdee
Sasamol Phasuk
Chumphol Busabok

Abstract

This research aims to analyze pigments from lateritic soil to reflect infrared radiation. The lateritic soils used in this research were from Ban Wanghai, Mukdahan Thailand. The study started by analyzing the physical properties and chemical composition of the soil to develop the NIR reflective pigments. The lateritic soils were ground and reduced to sizes smaller than 45 millimeters, then were calcined at 900-1300gif.latex?^{\circ}C for 1 hour. The calcined pigments were characterized and observed by XRD and SEM, and infrared reflection was measured by use of a UV-Vis-NIR spectrophotometer. The results of the research have shown that highly reflective NIR pigments from the soil reflect about 70-80% of infrared radiation at 1000gif.latex?^{\circ}C calcined firing temperature. It was found that quartz and FeAl2O4 were the main constituents. The particle size shows that the highest NIR reflectance is around 1-20 micrometers.

Article Details

How to Cite
1.
Kallayalert Y, Takolpuckdee P, Phasuk S, Busabok C. The Development of Pigments Reflects Infrared Radiation from Gravel (Lateritic) Soils. Prog Appl Sci Tech. [Internet]. 2023 Apr. 10 [cited 2024 Nov. 7];13(1):19-25. Available from: https://ph02.tci-thaijo.org/index.php/past/article/view/247823
Section
Pure and Applied Chemistry

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