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Metal quantification

As part of developing a new more sustainable dyeing protocol for natural colourants at the University of Helsinki BioColour team we are quantifying the metals in the dye effluents as well as the dyed fabrics with the help of analytical chemistry master’s students. The analyses are done with microwave plasma atomic emission spectrometer (MP-AES) for which the organic material in the samples is digested and the samples are diluted and filtered.

Photos: Peppi Toukola

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