pH Buffers

Hach calibration buffers are available in a variety of colour-coded and colourless solutions - from bulk 20 L containers down to single-use 15 mL vials. They are also availble in convenient SINGLET form and unit-dose powder pillows for on-site analyis. Both SINGLETS and powder pillows assure freshness and eliminate the possibility of contamination. All buffers are NIST traceable and accurate to ±0.02 pH at 25°C.

For critical applications, RADIOMETER brand pH buffers accurate to ±0.010 pH at 25°C are available. Each buffer is delivered in an airtight can and is supplied with a Certificate of Conformity and Traceability.
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