Ideal for use with TRUEscience SMART pH Cap, these pH buffers are color coded and QR coded for ease of identification using the TRUEscience App. Available in pH 4, 7 and 10 and are calibrated at 20°C / 68°F. Temperature dependence data is printed on the label as are the lot numbers. …

Inorganic Ventures' pH Standard is a certified reference material set in a water matrix for stability. This standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date.