Gentaur pH 9.00 Coloured Coded Buffer Capsules at 25°C - 50pk
http://www.pabra.org/shop/fm-07-cp1090-gentaur-ph-9-00-coloured-coded-buffer-capsules-at-25degc-50pk-8883
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pH 9.00 colored-coded Reagecon buffer capsules, 50 pack, for precise and convenient pH meter calibration at 25°C.
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