Fisher Scientific™ Traceable™ pH标准液（CRM），pH 4.005

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 with individual temperature chart, traceability information and Traceable™ Certificate


Additional Information	Accuracy of pH: ±0.010 at 25°C

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