Departamento de Física, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14040-900, SP, Brazil.
Pró-Reitoria de Pesquisa e Pós-Graduação, Universidade do Oeste Paulista, Presidente Prudente 19067-175, SP, Brazil.
Molecules. 2022 Oct 19;27(20):7047. doi: 10.3390/molecules27207047.
The study of new materials for radiation dosimetry is important to improve the present state of the art and to help in cases of accidents for retrospective dosimetry. Sulfites are compounds that contain a sulfur ion, widely used in the food industry. Due to the significant application of these compounds, sulfites are interesting candidates for accidental dosimetry, as fortuitous radiation detectors. The presence of the SO anion enables its detection by electron spin resonance (ESR) spectroscopy. The Dose-Response behavior, signal stability and other spectral features were investigated for sodium sulfite, sodium bisulfite, sodium metabisulfite and potassium metabisulfite, all in crystalline forms. The ESR spectrum of salts presented stability and proportional response with dose, presenting potential for dosimetry applications.
研究用于辐射剂量学的新材料对于提高现有技术水平以及帮助事故后进行回溯剂量学测量非常重要。亚硫酸盐是一种含有硫离子的化合物，在食品工业中被广泛使用。由于这些化合物的重要应用，亚硫酸盐作为偶然辐射探测器，是意外剂量学的候选物质。SO 阴离子的存在使其可以通过电子自旋共振（ESR）光谱进行检测。本研究对结晶形式的亚硫酸钠、亚硫酸氢钠、偏亚硫酸钠和焦亚硫酸钠的剂量响应行为、信号稳定性和其他光谱特性进行了研究。盐的 ESR 光谱具有稳定性和与剂量的比例响应，具有潜在的剂量学应用前景。
