{
  "parameters": [
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      "aspect": null,
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  "external_references": [],
  "aspect": {
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  "discipline": {
    "label": "Thermodynamics"
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  "id": "SourceTemperatureFixedPointITS90",
  "name": "Source.Temperature.FixedPoint.ITS90",
  "definition": "The process of generating a physical temperature buy observing the triple point or melting point of a specified substance under a known pressure or atmosphere. Wiki - Triple Point Guide to the realization of the ITS-90 {Acetylene, Aluminum, Ammonia, Argon, Arsenic, Butane, Carbon, Carbon dioxide, Carbon monoxide, Chloroform, Coper, Deuterium, Ethane, Ethanol, Ethylene, Formic acid, Helium-4, Hexafluoroethane, Hydrogen, Hydrogen chloride, Indium, Iodine, Isobutane, Krypton, Mercury, Methane, Neon, Nitric oxide, Nitrogen, Nitrous oxide, Oxygen, Palladium, Platinum, Radon, Silver, Sulfur dioxide, Tin, Titanium, Uranium hexafluoride, Water, Xenon, Zinc}",
  "deprecated": false,
  "replacement": "",
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}