Formulated to provide precise, pH values these buffer solutions which are standardised against N.I.S.T. Certified reference. Samples are ideal, for calibrating electrodes and pH meters. The buffers are colour-coded to avoid error and accurate to. Within edge 0.02 pH at 25 ° C. Each buffer contains a preservative / mould inhibitor and a shrink-sealed cap to prevent contamination. And leakage. Temperature compensation charts are included with each buffer solution. The shelf life of the buffer solution. Is 1 Year from date of manufacture.
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