Colourless pH buffer IUPAC standard solution with certificate of conformity and traceability reporting, exact pH buffer value with related expanded uncertainty (k=2). Fully traceable to the Standard Hydrogen Electrode (SHE) through Certified Reference Material. All standards are formulated in compliance with NIST, IUPAC and DIN19266 specifications.
- Traceable to IUPAC/NIST pH scale
- Guaranteed shelf-life thanks to premium packaging
- Accredited calibration laboratory
- Fully traceable standards
- Totally reliable packaging
- GLP right from the start and every day
- Proven traceability
- Certificate of conformity available for download from www.hach.com
This product has met the following criteria to qualify for the following awards: