pH buffer solutions (Coloured) Coloured pH Buffer Solutions solutions. Tested and ISO17025 Certified at 20 °C. Uncertainty of measurement ±0.01pH. Supplied with a detailed Certificate of Analysis which outlines traceability to N.I.S.T. Temperature dependence data is printed on the label as are lot numbers and expiry dates. Supplied in 500 ml, 1 l or 5 l.
Product Specification: pH-value: pH 4.00 at 20 °C Capacity: 1000 ml Colour: Red
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