US$ 189.00
SOLUCION DE CALIBRACION DE PH 7.01 " 25°C, FRASCO 1 L CONTROLADOR Diseñado para análisis de etilenglicol La sonda de acero
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Ships within 48 hours · Estimated delivery Oct 26 - Oct 31
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SOLUCION DE CALIBRACION DE PH 7.01 " 25°C, FRASCO 1 L CONTROLADOR Diseñado para análisis de etilenglicol La sonda de acero Diseñado para análisis de etilenglicol La reacción entre los fenoles y el reactivo de Folin Ciocalteu implica la oxidación de los grupos fenólicos (R OH) con una mezcla de ácido fosfotungsténico (H 3 PW 12 O 40 ) y ácido fosfomolibdénico (H 3 PMo 12 O 40) a la forma quinoide (R = O) La línea de tampones de calibración de Hanna se ha formulado especialmente para tener una caducidad de 5 años a partir de la fecha de fabricación para una botella sin abrir Precisión de + 0
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