Choose from economical solution bottles or individually sealed pH buffer pouches. NIST traceable materials Labeled with pH vs. temperature tables for accurate calibration All Oakton pH buffer solutions are freshness dated, and standardized against NIST-traceable references to…

pH (@ 25°C) 1.68 +/- 0.06 NIST Traceable

Any pH measurement is only as accurate as the buffer solution used for calibration. These buffer solutions are traceable to primary standards set by NIST. Buffers 5001A40 through 5001A45 come with a quality assurance certificate per DKD and are particularly useful in quality assurance systems.…

Harmonized #: 2806.10.0000 0000 Shelf Life (months): 24 Specific Gravity: 1.00 DOT: Not regulated Appearance: Colorless Physical State: Liquid Flash Point: Not applicable Solubility: Miscible Storage Temperature: Ambient Storage Code: General

Our complete range of patented buffer solutions provide pH stability of up to five years. High buffering capacity provides rapid and stable calibration.

NIST traceability Wide choice of sizes Long life Reference Standard pH Buffers make pH easy. We offer consistent, reliable performance and NIST traceability. All buffers offer tight specifications (±0.01 ph unit) and a long shelf life. Temperature conversion charts are…

Meets requirements of both ISO 17025 and ISO 17034 Certified Reference Materials, made under the strictest standards for stability, homogeneity, and accuracy Tested to tolerances of 0.01 pH units Supported by detailed Certificate of Analysis including temperature variation values and stated…