A set of chemical reagents: Phenolphthalein (set 12)

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Phenolphthalein, solution over 0.1% - 12 bottles of 25 ml each.
Handed, very convenient for group classes, set of chemical reagents in bottles with a dropper, sold in a set of 12 bottles (placed in a matching, portable collecting container) and 25 ml bottle capacity. The reagents from the kit can be distributed to the groups in the classroom and collected after the experiments into a collecting container (deep tray). The condensers facilitate dosing and the high quality of the reagents (preparation: Germany) guarantees the reliability of the experiments.