Back جزء في البليون Arabic Parts per mil milions Catalan Parts per billion German Parts per billion English Partes por billón Spanish Miljardikosa Estonian Partie par milliard French Ppb FRR Parti per miliardo Italian Ppb Korean

Parts per billion

Parts per US billion (forkortet ppb): betyder milliardedele eller 1 del pr. 109. Da billion har to forskellige betydninger og kan misforstås, anbefaler BIPM at ppb ikke bliver brugt.[1]

  1. ^ SI Brochure: The International System of Units, Part 5.4.7

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