Gentaur pH 1.679 DIN 19266 Buffer Solution at 25°C in Bag-in-Box - 5l
http://www.cosmoscience.org/shop/fm-07-bph90-gentaur-ph-1-679-din-19266-buffer-solution-at-25degc-in-bag-in-box-5l-16840
http://www.cosmoscience.org/web/image/product.template/16840/image_1920?unique=765a6f2
Acidic pH 1.68 buffer solution, DIN 19266 certified, 5L bag-in-box, for extreme low pH calibration.
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