gas phase
type: Concept

ammonium
type: Concept

Observed Property

Observation Matrix

number concentration
type: Concept

Object Of Interest

ammonium amount fraction
definition: Amount fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula for ammonium is NH4+. Ammonium is a member of the group of inorganics. The IUPAC name for ammonium is azanium.
Observed Property: number concentration
contributor: 0000-0002-1490-169X
broader: variable
broader: trace gas variables
creator: https://orcid.org/0000-0001-5158-8703
Observation Matrix: gas phase
type: Concept
Object Of Interest: ammonium
in scheme: ACTRIS Vocabulary

ACTRIS Vocabulary
type: ConceptScheme

trace gas variables
type: Concept
narrower: ammonium amount fraction

variable
type: Concept
narrower: ammonium amount fraction