Gentaur pH 9.00 Buffer Solution at 25°C in Bag-in-Box - 5l
https://www.jmeit.com/shop/fm-07-bph28-gentaur-ph-9-00-buffer-solution-at-25degc-in-bag-in-box-5l-22944
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5L pH 9.00 buffer solution in bag-in-box, suitable for bulk alkaline calibration at 25°C.
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