gas phase
type: Concept

mass concentration
type: Concept

methane mass concentration
type: Concept
Observation Matrix: gas phase
broader: variable
broader: trace gas variables
creator: https://orcid.org/0000-0003-2972-2851
in scheme: ACTRIS Vocabulary
definition: Mass concentration means mass per unit volume and is used in the construction mass_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'. The chemical formula for methane is CH4. Methane is a member of the group of hydrocarbons known as alkanes. The IUPAC name for methane is methane.
Observed Property: mass concentration
Object Of Interest: methane

variable
type: Concept
narrower: methane mass concentration

trace gas variables
type: Concept
narrower: methane mass concentration

ACTRIS Vocabulary
type: ConceptScheme

methane
type: Concept

Observed Property

Observation Matrix

Object Of Interest