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Concept information

Mass Ratio > Kilogram per Kilogram > Picograms per kilogram

优选词,正式主题词

pg/kgPicograms per kilogram  

定义

  • One part per 10**15 by mass of the measurand in the matrix.

URI

https://vocab.sentier.dev/units/unit/PicoGM-PER-KiloGM

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