{
  "alternatives": [
    {
      "category": "structure",
      "id": "density/cln/cti1999",
      "kind": "scalar",
      "name": "Density",
      "property": "density",
      "provenance": {
        "source_id": "cti1999",
        "status": "V",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "rho",
      "unit": {
        "display": "kg/m^3",
        "qudt": "http://qudt.org/vocab/unit/KiloGM-PER-M3",
        "ucum": "kg/m3"
      },
      "value": 4650,
      "variant": "cln"
    },
    {
      "category": "structure",
      "id": "density/cln/volk2008",
      "kind": "scalar",
      "name": "Density",
      "notes": "Unit misprinted 'g cm^-1' in the source table.",
      "property": "density",
      "provenance": {
        "locator": "Table 1.1, p. 3",
        "original_reference": "Takanaga, Hirohashi, Kushibiki, Jpn. J. Appl. Phys. 38, 3201 (1999)",
        "source_id": "volk2008",
        "status": "P-comp",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "rho",
      "unit": {
        "display": "kg/m^3",
        "qudt": "http://qudt.org/vocab/unit/KiloGM-PER-M3",
        "ucum": "kg/m3"
      },
      "value": 4647,
      "variant": "cln"
    }
  ],
  "meta": {
    "api_version": "v1",
    "attribution": "lithium-niobate.com data compiled by Wentao Jiang; cite the original sources listed per value.",
    "data_version": "0.1.0",
    "documentation": "https://lithium-niobate.com/api/openapi.json",
    "license": {
      "id": "CC-BY-4.0",
      "name": "Creative Commons Attribution 4.0 International",
      "url": "https://creativecommons.org/licenses/by/4.0/"
    },
    "property": "density",
    "variant": "cln"
  },
  "recommended": [
    {
      "category": "structure",
      "conditions": {
        "method": "Archimedes"
      },
      "default": true,
      "id": "density/cln/kushibiki1999",
      "kind": "scalar",
      "name": "Density",
      "property": "density",
      "provenance": {
        "locator": "Table IV",
        "source_id": "kushibiki1999",
        "status": "P",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "rho",
      "uncertainty": {
        "type": "stated",
        "value": 0.2
      },
      "unit": {
        "display": "kg/m^3",
        "qudt": "http://qudt.org/vocab/unit/KiloGM-PER-M3",
        "ucum": "kg/m3"
      },
      "value": 4642.8,
      "variant": "cln",
      "variant_note": "SAW-grade congruent"
    }
  ],
  "recommended_note": null,
  "spread": {
    "max": 4650,
    "min": 4642.8,
    "n_records": 3,
    "note": "Range over all public records regardless of conditions; compare conditions before use.",
    "unit": "kg/m3"
  }
}