{
  "@context": {
    "schema": "http://schema.org/",
    "bios": "https://bioschemas.org/",
    "ex": "https://example.org/"
  },
  "bios:executesLabProtocol": {
    "@type": [
      "bios:LabProtocol"
    ],
    "@id": "ex:protocol-xrf-soil",
    "schema:name": "XRF Soil Analysis Protocol",
    "schema:description": "Standard protocol for X-ray fluorescence analysis of soil samples.",
    "schema:url": "https://example.org/protocols/xrf-soil-v2",
    "bios:labEquipment": [
      {
        "@type": [
          "schema:Thing",
          "schema:DefinedTerm"
        ],
        "@id": "ex:instrument-xrf-001",
        "schema:name": "Bruker S8 Tiger WDXRF Spectrometer",
        "schema:description": "Wavelength-dispersive X-ray fluorescence spectrometer"
      }
    ],
    "bios:computationalTool": [
      {
        "@type": [
          "schema:SoftwareApplication"
        ],
        "@id": "ex:software-spectra-eval",
        "schema:name": "SPECTRA.ELEMENTS",
        "schema:version": "3.1.2",
        "schema:url": "https://example.org/software/spectra-elements"
      }
    ],
    "bios:reagent": [
      "Lithium tetraborate flux (Li2B4O7)"
    ]
  },
  "bios:parameterValue": [
    {
      "@type": [
        "schema:PropertyValue"
      ],
      "schema:name": "X-ray tube voltage",
      "schema:value": 50,
      "schema:unitText": "kV"
    },
    {
      "@type": [
        "schema:PropertyValue"
      ],
      "schema:name": "X-ray tube current",
      "schema:value": 40,
      "schema:unitText": "mA"
    }
  ]
}