Gentaur pH 13.00 Buffer Solution at 20°C - 5l
https://www.ecbol.org/shop/fm-1179916-gentaur-ph-13-00-buffer-solution-at-20degc-5l-32286
https://www.ecbol.org/web/image/product.template/32286/image_1920?unique=f12b1fb
High pH 13.00 buffer solution, 5L bottle, stable at 20°C for precise calibration.
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