index of acidity

{
  "id": "NISTq174",
  "unitsml_id": "q:index_of_acidity",
  "name": "index of acidity",
  "names": [
    {
      "value": "index of acidity",
      "lang": "en"
    }
  ],
  "short": "index_of_acidity",
  "type": "derived",
  "dimension": {
    "id": "NISTd94",
    "name": "acidity index",
    "expression": "1",
    "components": [],
    "dimensionless": true
  },
  "units": [
    {
      "id": "NISTu332",
      "name": "pH",
      "symbol": "pH"
    }
  ],
  "unit_count": 1,
  "identifiers": [
    {
      "type": "nist",
      "id": "NISTq174"
    },
    {
      "type": "unitsml",
      "id": "q:index_of_acidity"
    }
  ],
  "references": [
    {
      "type": "informative",
      "authority": "qudt",
      "uri": "http://qudt.org/vocab/quantitykind/Acidity"
    }
  ]
}