## Description Perform accurate, reproducible pH calibrations with color-coded Thermo Scientific™ Orion™ pH Buffer Bottles. pH 4.01, 5.00, 7.00 and 10.01 buffers are color coded for ease of use. All Orion pH buffers are traceable to NIST™ standard reference materials. - pH/temperature tables printed on labels for accurate calibrations and NIST™ traceability - Manufactured under ISO 9000 quality standards - Color coded: pH 4.01 buffer is pink, pH 5.00 buffer is orange, pH 7.00 buffer is yellow, and pH 10.01 buffer is blue ## Specifications ||| | ------------ | ------------ | |Type|pH Buffer, bottles| |For Use With|for accurate, reproducible pH calibrations| |Packaging|Bottle| |pH|7.00| |Quantity|475mL| |Description|pH 7.00 (Yellow) Buffer| |NIST Traceable|Yes| |Solution Type|Buffer solution| |Color|Yellow| |For Use With (Equipment)|pH Meter and Electrode|