Buffer solutions in bags, set of 20 bags, pH 4 / 7 / 10, 29,27 CHF

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Buffer solutions in bags Set of 20 bags of 25 ml containing: 6 × buffer solution pH 7.00 6 × buffer solution pH 4.01 6 × buffer solution pH 10 2 × pure water 1 × cardboard stand, plus batch test certificate For easy, clean and safe calibration of your pH electrodes. When used with these buffer solutions in the bag, your calibration is successful because the bag is only opened immediately before calibration, so the buffer solutions are always fresh and unadulterated. The corresponding reference values for pH and temperature are printed on each bag, and a test certificate is also included with the corresponding batch. Practical with 2 bags of pure water, which allow intermediate rinsing. In addition, the cardboard stand ensures that the bag stands securely during calibration Buffer solutions in bags, set with 20 bags, pH 4 / 7 / 10

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Windaus

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