Element containing the dimension of the quantity amount of substance. AmountOfSubstance has the following attributes:
| Attribute | Namespace | Type | Use | Default | Fixed | Description |
|---|---|---|---|---|---|---|
| symbol | unitsml | xsd:token | optional | N | Symbol of the quantity amount of substance. | |
| powerNumerator | unitsml | xsd:byte | optional | 1 | An integer exponent of the unit. |