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The buffer solution finds its use in calibration, qualification, and monitoring of pH measuring instruments and as a control for testing other buffer solutions.
pH-value: 4.005 - 4.011
Hotline (061) 6641391
potassium hydrogen phthalate, directly traceable to primary SRM from NIST/PTB pH (S) = 4.005 (25°C) Certipur®
The buffer solution finds its use in calibration, qualification, and monitoring of pH measuring instruments and as a control for testing other buffer solutions.
pH-value: 4.005 - 4.011
