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.
CAS #s: 50-00-0, 67-56-1, 1330-38-7, 7558-79-4, 13446-18-9, 26172-55-4, 2682-20-4
Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.