金きん属ぞく化か学がく種しゅMeanings1nounmetal speciationTechnical term in environmental chemistry and geochemistry referring to the distribution of metal species in a sample.土ど壌じょう中ちゅうの金きん属ぞく化か学がく種しゅを分ぶん析せきした。We analyzed the metal speciation in the soil.