# Reactive Gas

## Reactive Gas - H2

Definitions are not currently avalible.

## Reactive Gas - Nitrogen containing compounds

Definitions are not currently avalible.

## Reactive Gas - Other

Definitions are not currently avalible.

## Reactive Gas - VOCs

The mole fraction of Volatile Organic Compounds.

(Note that for these definitions the GAW vocabulary redirects to the CF standard name table. For the full reference, please visit: http://cf-pcmdi.llnl.gov/documents/cf-standard-names/standard-name-table/22/cf-standard-name-table.html)

**Specific Measurements:**

**C2H2 (ethyne, acetylene) (mole_fraction_of_ethyne_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

**C2H4 (ethene) (mole_fraction_of_ethene_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

**C2H6 (ethane) (mole_fraction_of_ethane_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

**C2H6S (dimethylsulfide, DMS) (mole_fraction_of_dimethyl_sulfide_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

**C3H6 (propene) (mole_fraction_of_propene_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

**C3H8 (propane) (mole_fraction_of_propane_in_air):** Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

**C5H8 (2-methyl-1,3-butadiene, isoprene) (mole_fraction_of_isoprene_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

**C6H6 (benzene) (mole_fraction_of_benzene_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

**C7H8 (toluene) (mole_fraction_of_toluene_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

Reactive Gas terms for the IASOA data vocabulary are taken from the Global Atmosphere Watch Station Information System (GAWSIS). . For the full reference, please visit: http://gaw.empa.ch/gawsis/display.asp.

## Reactive Gas - General

The mole fraction of various reactive gases.

(Note that for these definitions the GAW vocabulary redirects to the CF standard name table. For the full reference, please visit: http://cf-pcmdi.llnl.gov/documents/cf-standard-names/standard-name-table/22/cf-standard-name-table.html)

**Specific Measurements:**

**H2 (mole_fraction_of_molecular_hydrogen_in_air):** Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula of molecular hydrogen is H2.

**H2O2 (hydrogen peroxide) (mole_fraction_of_hydrogen_peroxide_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula of hydrogen peroxide is H202.

**SO2 (mole_fraction_of_sulfur_dioxide_in_air):** Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

**Ammonia (NH3) (mole_fraction_of_ammonia_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, whereX 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 chemicalformula for ammonia is NH3.

**C2H3O5N (peroxyacetylnitrate, PAN) (mole_fraction_of_peroxyacetyl_nitrate_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

**ClONO2 (chlorine nitrate) (mole_fraction_of_chlorine_nitrate_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula of chlorine nitrate is ClONO2.

**HCN (formonitrile, hydrogen cyanide) (mole_fraction_of_hydrogen_cyanide_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula of hydrogen cyanide is HCN.

**HNO3 (nitric acid) (mole_fraction_of_nitric_acid_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

**NO (mole_fraction_of_nitrogen_monoxide_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

**NO2 (mole_fraction_of_nitrogen_dioxide_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

**CH3Br (methylbromide) (mole_fraction_of_methyl_bromide_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula of methyl bromide is CH3Br.

**CH3Cl (methylchloride) (mole_fraction_of_methyl_chloride_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula of methyl chloride is CH3Cl.

**HCl (hydrochloric acid) (mole_fraction_of_hydrogen_chloride_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula of hydrogen chloride is HCl.

**CO (mole_fraction_of_carbon_monoxide_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

**CH2O (formaldehyde) (mole_fraction_of_formaldehyde_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.

**CH3CH2OH (ethanol) (mole_fraction_of_ethanol_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, whereX 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 chemicalformula for ethanol is C2H5OH.

**CH3CN (acetonitrile) (mole_fraction_of_aceto_nitrile_in_air):** Mole fraction is used in the construction mole_fraction_of_X_in_Y, whereX 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 chemicalformula for aceto-nitrile is CH3CN. The IUPAC name for aceto-nitrile is ethanenitrile.

**CH3OH (methanol) (mole_fraction_of_methanol_in_air): **Mole fraction is used in the construction mole_fraction_of_X_in_Y, whereX 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 chemicalformula for methanol is CH3OH.

Radiometric terms for the IASOA data vocabulary are taken from the Global Atmosphere Watch Station Information System (GAWSIS). . For the full reference, please visit: http://gaw.empa.ch/gawsis/display.asp.