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NIST-traceable reference materials include a calibration report from an ISO Guide 34 and ISO 17025 accredited laboratory
Color-coded and colorless buffers available
Key Features
Get accurate, reliable measurements with included NIST-traceable calibration
Choose from clear or standard-colored buffers
More About this Item
Cole-Parmer pH buffers are compared against and are traceable to NIST Standard Reference Materials. Each bottle includes a NIST-traceable calibration report supplied by the manufacturer. Color-coded and colorless buffers are available in 500-mL, 1-L, or 4-L packaging sizes. Additional values and packaging sizes are available. Store at room temperature.
Specifications & Description
Buffer Value
4.01
Volume (mL)
1000
Description
pH 4 buffer solution, 1 L bottle, NIST-traceable reference material