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Amazon.com: Whatman 1450-110 - Papel de filtro cuantitativo endurecido, 4.3 in de diámetro, 2,7 micras, grado 50 (paquete de 100) : Industrial y Científico
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PAPEL FILTRO CUALITATIVO GRADO-3 110 MM WHATMAN - J. Jimeno S.A. - Material y suministros de laboratorio
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Filtros de papel y membranas: Coger un filtro de papel Whatman, filtrar una muestra de agua y analizar para presencia de sólido
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