Scale: (ratio) parts per million

JSON
Identifier: SC1358
Scale type: ratio
Unit: parts per million
Associated aspects:
AS121: refractive-index
AS135: mass-ratio
AS136: volume-ratio
AS137: amount-of-substance-ratio
AS151: pressure-ratio-
AS153: frequency-ratio
AS245: absorptance
AS250: power-ratio
AS86: luminous-efficiency
AS94: emissivity
AS96: transmittance
AS99: reflectance