Gentaur pH 7.00 Buffer Solution at 25°C in Bag-in-Box - 5l
https://www.bioguid.info/shop/fm-07-bph23-gentaur-ph-7-00-buffer-solution-at-25degc-in-bag-in-box-5l-8507
https://www.bioguid.info/web/image/product.template/8507/image_1920?unique=19a23d2
pH 7.00 buffer solution, 5L bag-in-box, convenient and reliable for repeated calibrations at 25°C.
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