ACTRIS Vocabulary
type: ConceptScheme

gas phase
type: Concept

mass 57.033 organic compounds
type: Concept

mass 57.033 organic compounds number concentration
type: Concept
creator: https://orcid.org/0000-0002-3380-3470
broader: trace gas variables
broader: variable
definition: Number concentration means number of molecule per unit volume, and is used in the construction molecular_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. This property concerns the isobaric group with atomic mass 57.033, and consists with current knowledge of acrolein, methylketene. The chemical formula for acrolein is C3H4O, methylketene is C3H4O. The IUPAC name for acrolein is prop-2-enal, methylketene is unknown.
in scheme: ACTRIS Vocabulary
Observation Matrix: gas phase
Object Of Interest: mass 57.033 organic compounds
Observed Property: number concentration

number concentration
type: Concept

trace gas variables
type: Concept
narrower: mass 57.033 organic compounds number concentration

variable
type: Concept
narrower: mass 57.033 organic compounds number concentration

Observation Matrix

Object Of Interest

Observed Property