Hach calibration pH buffers are available in a variety of color-coded or colourless 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. All Hach pH buffers are NIST traceable for optimum pH electrode calibration with an accuracy of ±0.02 pH at 25°C. For all Hach buffers, a specific Certificate of Analysis is available for download from www.hach.com: Support/Service, Certificate of Analysis menu, using product part number and lot number.
For critical applications and metrology needs, Hach offers pH Buffer IUPAC Standard Solutions with Certificate of Conformity and Traceability from our Accredited Laboratory (www.hach.com/coa). 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 aluminium packaging.
Why Risk Performance? Choose Hach ServicePlus® for Peace of Mind.
Consider adding a Hach ServicePlus® Program to your instrument to ensure that throughout the life of your instrument it is operating at peak performance, meeting regulatory compliance standards and providing you the lowest total cost of ownership possible.
Whether you are considering a process or lab instrument, Hach offers ServicePlus programs to meet your support and maintenance needs. Choose from a Field Service Partnership, Bench Service Partnership or WarrantyPlus Upgrade and you will receive the following benefits:
Freedom from instrument maintenance
Confidence in Hach service professionals
Fixed maintenance budget for the entire year
Optimal instrument performance
Exclusive priority technical support
Hach Service also offers many custom program options to meet your needs.
For more information or to get a quote call 1-800-227-4224 ext. 6178