Thermo Fisher, 2763900, DR/Check™ Absorbance Standard Kit
Quantity: 4/Pk., Unit Size: Each, Used to confirm consistent instrument response. Hach™ DR/Check™ Absorbance Standard Kit contains four vials filled with gels at increasing Absorbance values for calibrating spectrophotometers.
Catalog Number: 2763900
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Pack Size4/pk


