pH Buffers

 

Calibration pH buffers are available in a variety of color-coded or colorless pH buffer solutions, in different packaging types and sizes from  15 mL up to 20 L. pH buffers are also available in convenient single-use pouches (Singlet) and unit-dose powder pillows for on-site and field analyses ensuring freshness, eliminating the possibility of contamination.

Each Hach® pH buffer is NIST traceable for optimum pH electrode calibration with an accuracy of ±0.02 pH at 25 °C.

For critical applications and metrology needs, Hach offers Certified Conductivity Standard Solutions with Certificate of Conformity and Traceability from our Accredited Laboratory. The certificate is reporting the exact pH buffer value with related expanded uncertainty (k=2).  pH Buffers solutions are traceable to IUPAC/NIST pH scale. They are offering a unique extended shelf-life period thanks to a premium aluminum packaging.

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