katal, kat (unit)

{
    "$id": "https://schemas.optimade.org/defs/v1.2/units/si/2019/named/katal",
    "$schema": "https://schemas.optimade.org/meta/v1.2/optimade/physical_unit_definition.json",
    "title": "katal",
    "symbol": "kat",
    "display-symbol": "kat",
    "description": "A derived SI unit for catalytic activity, defined as mol\u00b7s\u207b\u00b9 using the 2019 SI units.\n\n\"The 21st Conf\u00e9rence G\u00e9n\u00e9rale des Poids et Mesures, [...] decides to adopt the special name katal, symbol kat, for the SI unit mole per second to express catalytic activity, especially in the fields of medicine and biochemistry, and recommends that when the katal is used, the measurand be specified by reference to the measurement procedure; the measurement procedure must identify the indicator reaction.\" [21st CGPM meeting (1999), resolution 12]\n\nThe katal unit was implicitly redefined via the redefinition of the mole at the 26th CGPM Meeting (2018), resolution 1.",
    "resources": [
        {
            "relation": "Wikipedia article describing the unit",
            "resource-id": "https://en.wikipedia.org/wiki/Katal"
        }
    ],
    "defining-relation": {
        "base-units": [
            {
                "symbol": "mol",
                "id": "https://schemas.optimade.org/defs/v1.2/units/si/2019/base/mole"
            },
            {
                "symbol": "s",
                "id": "https://schemas.optimade.org/defs/v1.2/units/si/1967/base/second"
            }
        ],
        "base-units-expression": "mol*s^-1"
    },
    "standard": {
        "name": "si",
        "year": 2019,
        "category": "named",
        "symbol": "kat"
    },
    "x-optimade-definition": {
        "label": "katal_si_2019_named",
        "kind": "unit",
        "format": "1.2",
        "version": "1.2.0",
        "name": "katal"
    }
}