Browsing by Author "อรอุษา เตียวตระกูล"
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DETERMINATION OF NITRITES AND NITRATES IN GUNSHOT RESIDUES BY A PAPER-BASED DEVICE
Collection: Theses (Master's degree) - Forensic Science / วิทยานิพนธ์ – นิติวิทยาศาสตร์Type: Thesis(Silpakorn University, 12/7/2019)In this study, a paper-based device based on Griess reaction was fabricated and was used to determine the amounts of nitrite and nitrate ions in gunshot residues. The ImageJ software was used to measure color values of the ...