{
  "@context": {
    "schema": "http://schema.org/",
    "ex": "https://example.org/",
    "xsd": "http://www.w3.org/2001/XMLSchema#",
    "xas": "https://xas.org/dictionary/",
    "nxs": "http://purl.org/nexusformat/definitions/"
  },
  "@id": "ex:exampleSampel_357h",
  "@type": [
    "schema:Thing",
    "schema:Product"
  ],
  "schema:additionalType": [
    "MaterialSample",
    "https://w3id.org/isample/vocabulary/materialsampleobjecttype/materialsample",
    "https://www.wikidata.org/wiki/Q485146"
  ],
  "schema:name": "Na2SeO4",
  "schema:identifier": "igsn:10.6620/357lkj",
  "schema:description": "physical properties of sample: ph, eh, volume, porosity, density, concentration, resistivity, viscosity, crystal structure, opacity from xdi list...",
  "schema:additionalProperty": [
    {
      "@type": [
        "schema:PropertyValue"
      ],
      "schema:propertyID": [
        "xas:porosity"
      ],
      "schema:name": "porosity",
      "schema:value": "27",
      "schema:unitText": "percent"
    },
    {
      "@type": [
        "schema:PropertyValue"
      ],
      "schema:propertyID": [
        "xas:stoichiometry"
      ],
      "schema:name": "stoichiometry",
      "schema:value": "Na2SeO4"
    },
    {
      "@type": [
        "schema:PropertyValue"
      ],
      "schema:propertyID": [
        "xas:samplePreparation"
      ],
      "schema:name": "samplePreparation",
      "schema:value": "powder on tape, 6 layers"
    },
    {
      "@type": [
        "schema:PropertyValue"
      ],
      "schema:propertyID": [
        "nxs:Field/NXsample/mass"
      ],
      "schema:value": "10",
      "schema:name": "sample mass",
      "schema:unitText": "mg"
    },
    {
      "@type": [
        "schema:PropertyValue"
      ],
      "schema:propertyID": [
        "nxs:Field/NXsample/point_group"
      ],
      "schema:name": "crystal point group",
      "schema:value": "mm2"
    },
    {
      "@type": [
        "schema:PropertyValue"
      ],
      "schema:propertyID": [
        "nxs:Field/NXsample/unit_cell"
      ],
      "schema:name": "crystal unit cell",
      "schema:value": "cubic; Z = 4; a = 5.46; V = 162.77"
    },
    {
      "@type": [
        "schema:PropertyValue"
      ],
      "schema:propertyID": [
        "xas:parentSample"
      ],
      "schema:name": "Parent sample",
      "schema:value": "igsn:10.3476/342573"
    },
    {
      "@type": [
        "schema:PropertyValue"
      ],
      "schema:propertyID": [
        "xas:materialState"
      ],
      "schema:name": "sample material state",
      "schema:value": "solid metal foil"
    }
  ]
}