Orion Ph Buffer Bottles, Perform Accurate, Reproducible Ph Calibrations With These Color-Coded Buffer Bottles, Pack Of 5

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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.All orion ph buffer bottles have ph/temperature tables printed on the labels for accurate calibrations and nist traceability. Manufactured under iso 9000 quality standards.Buffer color codes:ph 4.01 Buffer is pinkph 5.00 Buffer is orangeph 7.00 Buffer is yellowph 10.01 Buffer is bluethe buffers are available in pint (475ml) bottles, portable five packs of 2 oz. (5 X 60ml) bottles, convenient all-in-one buffer kits, 5 gallon (19l) cubitainers™ and single-use pouches.