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Preferred Label : trace element;

IUPAC definition : Any element having an average concentration of less than about 100 parts per million atoms (ppma) or less than 100 µg/g.;

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Vous pouvez consulter :

Any element having an average concentration of less than about 100 parts per million atoms (ppma) or less than 100 µg/g.

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29/07/2025


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