2.48€

pH Buffer Powder 4.01pH
[204.1403]

4.01pH buffer powder for electronic pH meter calibration. Powder from one bag is mixed with 250ml of deionized or distilled water, after which the solution has 4.01 pH at 25°C. Powder bag contains a pH conversion scale for 10°C - 50°C temperatures for convenient use. Sealed pH powder bags have virtually unlimited storage life.
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