Shimadzu UV-3600i Plus Espectrófotómetro de absorción ultravioleta, visible e infravermello próximo
Este espectrofotómetro ten tres detectores: un tubo de fotomultiplicador (PMT) na rexión UV-Vis, un fotodiodo (InGaAs) e un elemento fotocondutor (PBS arrefriado) na rexión NIR.
Rango de lonxitudes de onda de 185 a 3300 nm.
Esfera integradora (220–2600) nm. Medidas de reflectancia difusa e especular en mostras sólidas e medidas de transmitancia en mostras sólidas e líquidas.
Axuste para medir a reflectancia especular en ángulos de incidencia de 5° no intervalo de (200–3000) nm.
Aplicacións
Electronica/Óptica: Investigación de materiais fotocatalíticos calculando a banda prohibida mediante medicións de reflectancia difusa.
Polimeros: medición do grosor da película plástica utilizada para o envasado de alimentos.
Farmacéuticos: medición de cafeína anhídrida en mostras de medicamentos en po.
Alimentos: avaliación do efecto protector da luz nos envoltorios de alimentos.
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