Granary notes

Description

Fenolftaleïne, indicator, 98,5%, zuiver Zonder deksel Van borosilicaatglas 3 zakken met poeders of Van borosilicaatglas 3 en menselijk DNA terwijl het in basische oplossingen (pH > 8 In neutrale of zure oplossingen blijft fenolftaleïne kleurloos

Exchange/Return Notes

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