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10 GRS. TIMOLFTALEINA INDICADOR PH 9.5 10.5 A.C.S. ULTRASONICO La nitrificación es la oxidación Lecturas precisas con una La nitrificación es la oxidación biológica del amoníaco (ion amonio) en nitrito seguido de la oxidación de los nitritos a nitratos HI7009 1G es una solución de calibración de pH 9 TIMOLFTALEINA INDICADOR PH 9
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