{
  "ALIASES": [
    "air", 
    "AIR"
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      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 18.659618623885876, 
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        2.472422556502641e-10
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      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
      "max_abs_error": 41.27682675739038, 
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      "max_abs_error": 0.3289855249126683, 
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      "type": "rational_polynomial"
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  "CAS": "AIR.PPF", 
  "ENVIRONMENTAL": {
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    "GWP100": -1.0, 
    "GWP20": -1.0, 
    "GWP500": -1.0, 
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      "accentric_units": "-", 
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        {
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          "type": "IdealGasHelmholtzPlanckEinstein"
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          "type": "IdealGasHelmholtzPlanckEinsteinGeneralized"
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          "reference": "OTH", 
          "type": "IdealGasHelmholtzEnthalpyEntropyOffset"
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          "type": "ResidualHelmholtzPower"
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      "gas_constant": 8.31451, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.02896546, 
      "molar_mass_units": "kg/mol", 
      "p_max": 2000000000, 
      "p_max_units": "Pa", 
      "pseudo_pure": true
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  ], 
  "NAME": "Air", 
  "REFPROP_NAME": "AIR", 
  "STATES": {
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      "T": 132.5306, 
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      "p": 3786000.0, 
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      "rhomolar": 11830.8, 
      "rhomolar_units": "mol/m^3"
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    "triple_liquid": {
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      "rhomolar": 33066.64175205524, 
      "rhomolar_units": "mol/m^3"
    }, 
    "triple_vapor": {
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      "p_units": "Pa", 
      "rhomolar": 4.906850672383319, 
      "rhomolar_units": "mol/m^3"
    }
  }, 
  "TRANSPORT": {
    "conductivity": {
      "BibTeX": "Lemmon-IJT-2004", 
      "critical": {
        "GAMMA": 0.055, 
        "R0": 1.01, 
        "T_ref": 265.262, 
        "gamma": 1.2415, 
        "qD": 3225806451.6, 
        "type": "simplified_Olchowy_Sengers", 
        "zeta0": 1.1e-10
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      "dilute": {
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        "t": [
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        "type": "eta0_and_poly"
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      "residual": {
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        "gamma": [
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        "l": [
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        "t": [
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        "type": "polynomial_and_exponential"
      }
    }, 
    "viscosity": {
      "BibTeX": "Lemmon-IJT-2004", 
      "dilute": {
        "C": 2.66958e-08, 
        "a": [
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        "molar_mass": 0.0289586, 
        "molar_mass_units": "kg/mol", 
        "t": [
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        "type": "collision_integral"
      }, 
      "epsilon_over_k": 103.3, 
      "epsilon_over_k_units": "K", 
      "higher_order": {
        "T_reduce": 132.6312, 
        "T_reduce_units": "K", 
        "a": [
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          -8.876e-06, 
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        "d1": [
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        "d2": [
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        "f": [
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        "g": [
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        "gamma": [
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        "h": [
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        "l": [
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        "p": [
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        "q": [
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        "rhomolar_reduce": 10447.7, 
        "rhomolar_reduce_units": "mol/m^3", 
        "t1": [
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        "t2": [
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        "type": "modified_Batschinski_Hildebrand"
      }, 
      "sigma_eta": 3.6e-10, 
      "sigma_eta_units": "m"
    }
  }
}