## Concept information

### PREFERRED TERM

hydrogen mass concentration

### 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 chmical formula for hydrogen is H2. It is a member of the group of inorganics. The IUPAC name is molecular hydrogen

### BROADER CONCEPT

### OBSERVATION MATRIX

### OBJECT OF INTEREST

### OBSERVED PROPERTY

### URI

https://vocabulary.actris.nilu.no/actris_vocab/hydrogenmassconcentration

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