## Description - Certified Reference Material (CRM) solutions meets all test requirements for federal, state and local agencies - 100% compatible with all makes of pH instruments and electrodes - Long term buffer stability and buffer resistance to temperature changes during pH meter calibration - Manufactured to IUPAC (International Union of Pure and Applied Chemistry) formulation - Triple-layered proprietary packaging (aluminum, foil, PET and low-density polyethylene bag) prevents contamination by permeable gases - Supplied withindividual temperature chart, traceability information and Traceable™ Certificate ## Chemical Identifiers ||| | ------------ | ------------ | |Additional Information|Accuracy of pH: ±0.010 at 25°C| ## Specifications ||| | ------------ | ------------ | |Additional Information|Accuracy of pH: ±0.010 at 25°C| |Packaging|100ml One-Shot™ (6/pk)| |Color|Red| |Chemical Name or Material|Buffer Standards One-Shot pH 4.005(CRM)| |NIST Traceable|Certified and Traceable™| |pH|4.005| |Quantity|100mL One-Shot (6-pack)|