{
  "@context": {
    "schema": "http://schema.org/",
    "ex": "https://example.org/"
  },
  "@id": "ex:additionalPropertyComplete_001",
  "@type": [
    "schema:PropertyValue"
  ],
  "schema:propertyID": [
    "ex:samplePreparationMethod",
    {
      "@type": [
        "schema:DefinedTerm"
      ],
      "schema:name": "Sample Preparation Method",
      "schema:identifier": {
        "@type": [
          "schema:PropertyValue"
        ],
        "schema:propertyID": "https://vocab.nerc.ac.uk/collection/Q01/current/",
        "schema:value": "Q0100002",
        "schema:url": "https://vocab.nerc.ac.uk/collection/Q01/current/Q0100002/"
      },
      "schema:inDefinedTermSet": "https://vocab.nerc.ac.uk/collection/Q01/current/"
    }
  ],
  "schema:name": "Sample preparation method",
  "schema:value": "acid digestion with HF-HNO3",
  "schema:unitCode": {
    "@type": [
      "schema:DefinedTerm"
    ],
    "schema:name": "not applicable",
    "schema:termCode": "NA"
  },
  "schema:unitText": "not applicable"
}