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6.23 Buffers, Electrolytes, Standard Solutions, ChemicalsThe key to precision Buffer solutions and ion standard solutions from Metrohm comply with the requirements of GLP and ISO 9000 just as all our instruments do. The ready-to-measure solutions come packed in 500 mL bottles with comprehensive labelling. This provides information on the warranty time, batch number, date of production, measured pH value, details of the salt used for production and the effect of temperature on the buffer solution. This effect of temperature on our and on a number of third-party buffer solutions is stored as a standard feature in the Metrohm pH meters. Electrolyte
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