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EU:  PPB_MASS_FRACTION

Status: STD 2005/06/07
Code: 181
Symbol: none
EQ label: MASS_FRACTION
 
Quantities associated with this Unit
Quantity: mass fraction of substance B
Concept definition: The mass [ISO 80000-4:2006, item 4-1] of B divided by the total mass of the mixture.
1 x 10-9 kg/kg (exactly).
 
Reference type: PR
Reference: [ISO 80000-1:2009, 6.5.5]
Supplemental references: [ISO 80000-9:2009, item 9-12.a]

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