- Directly traceable to standard NIST reference material. Five-point calibration performed
- Uncertainty ≤ ±0.01 pH units
- 2-3 years shelf-life
- pH – Temperature dependence tables given in our certificates and printed on labels
- Broad product range (from pH 1 to 13) and packaging options (250ml – 1l)
- Coloured solutions for pH 4, 7 and 10
- Monobuf® option for pH 4, 7 and 10
Standard Buffer Solutions
- Standard buffer solutions packaged in single doses
- Fresh buffer solution at every calibration
- Colour coded
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