Gentaur pH 12.45 Buffer Solution at 25°C in Twin Neck - 1l
https://www.paratuberculosis.info/shop/fm-07-11245125tt-gentaur-ph-12-45-buffer-solution-at-25degc-in-twin-neck-1l-473133
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Specialized pH 12.45 buffer, 1L twin neck bottle, for high alkaline calibration needs at 25°C.
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