Solutions/ CH091 / CH092 / CH093

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CH091 Buffer Solution pH 9.21 (25ºC)

CH091 / CH092 / CH093

Buffer Solution pH 9.21 (25ºC) [GTranslate] References: CH091 (125 ml), CH092 (250 ml), CH093 (1000 ml)

Borax, Disinfectant. Buffer solution necessary for the calibration of the pH-meter - electrode set. Buffer value: pH 9.21 (25 ° C). Uncertainty: ± 0.02 pH.


- Includes certificate of analysis (to be downloaded from our website) that collects the following data: PH value, uncertainty, table of pH values as a function of temperature, traceability, lot number, analysis date and expiration date Buffer safety data sheet available. Technical type buffer made according to DIN 19267 standard. It has been contrasted with standard reference material, SRM from the National Institute of Standards & Technology (NIST) and Physikalisch Technische Bundesanstalt (PTB), according to DIN 19266. Under adequate conservation conditions, its minimum duration is 2 years.