Gentaur pH 10.00 Colour Coded Buffer Solution at 20°C in Twin Neck - 250ml
https://www.bioguid.info/shop/fm-07-11002ctt-gentaur-ph-10-00-colour-coded-buffer-solution-at-20degc-in-twin-neck-250ml-8514
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250ml pH 10.00 colour coded buffer, twin neck bottle, for precise calibration at 20°C.
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