Inter-Laboratory study to define the temperature interval for a thermoluminescence heating unit used to identify irradiated food

Ahn, Jae‐Jun; Akram, Kashif; Baek, Jeong‐In; Kim, Yeon-Joo; Kim, Moon-Young; Jeong, Il-Yun; Kwon, Joong‐Ho

doi:10.1007/s10068-012-0110-5

Cited by 7 publications

(1 citation statement)

References 11 publications

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“…The XRD profile of BCB (Figure 1 -C) reveals distinct crystalline patterns: the peak at 11.93º is indicative of graphitic material (Johra, Lee and Jung 2014); signals at 24.24º and 37.85º suggest the presence of quartz (SiO2) (AHN et al, 2012;DAS et al, 2021) peaks at 30.09º and 49.27º are associated with calcite (CaCO3); the signal at 31.39º is attributed to K2CO3 (Azargohar;Dalai, 2006); and the peak at 34.21º is related to larnite (Ca2SiO4) (Zhang, Y. et al, 2021).…”

Section: Biochar Characterizationmentioning

confidence: 99%

Exploratory studies on the use of peanut shell biochar as a promising adsorbent for ivermectin removal from aqueous solutions: impact of biomass treatment, pyrolisis temperature and duration

Ramalho Junior,

Lisboa,

Andrade

2024

Braz. J. Develop.

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The contamination of environmental matrices by chemical compounds poses a significant challenge for humanity, demanding focused attention from researchers and governments. Within aquatic environments, the emerging contaminants with potential ecotoxicological effects, even at low concentrations, have earned global interest among researchers. The persistence of these contaminants is exacerbated by specific physicochemical characteristics, hindering their natural degradation and removal through conventional water treatment methods. Biochar, a carbonaceous material produced through biomass pyrolysis at high temperatures, exhibits properties that effectively remove emerging contaminants from water. In this study, we investigated the impact of acidic biomass treatment on the removal efficiency of ivermectin from aqueous solutions. The materials were derived from untreated biomass, as well as basic and acidic-treated peanut shell (PS), subjected to pyrolysis at temperatures of 300, 400, 500, and 600 °C for 2, 3, and 4 hours. Characterization was conducted using TGA, ATR-FT-IR, SEM-EDS, and XRD. Quantification of ivermectin removal was performed using HPLC-DAD. The results showed that the removal was enhanced by temperature and time of pyrolysis, while the chemical treatments had different effects. The most effective removal tendency was observed with acidic biochar calcinated at 600 °C, demonstrating an average removal yield of 84.70%.

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