pH buffers are available in a variety of forms including color and powdered or liquid form and in a variety of different packaging types and sizes from 15 mL up to 20L. 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 Hach offers Certified Conductivity Standard Solutions with a Certificate of Conformity and Traceability from our accredited laboratory.
pH and ORP Sensors
Discover unparalleled accuracy with Hach® pH and ORP sensors, engineered with advanced differential electrode technology for dependable precision. Elevate your measurements today.
Online pH Buffers
Hach offers an array of calibration solutions for process pH and ORP sensors.