Gentaur pH 12.627 NIST Value Buffer Solution at 20°C - 500ml
https://www.ellj.eu/shop/fm-07-112627-gentaur-ph-12-627-nist-value-buffer-solution-at-20degc-500ml-25839
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500ml pH 12.627 NIST standard buffer solution, traceable and certified for precise calibration at 20°C.
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