{
  "ALIASES": [
    "R410a"
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  "ANCILLARIES": {
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        3.7773260352692246e-09, 
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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": 240.3254826524062, 
      "max_abs_error_units": "J/mol", 
      "type": "rational_polynomial"
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        0.8230015369120081, 
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        7.425444224897163e-06, 
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        5.2464644318664206e-12
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      "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", 
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        2.5093, 
        -3.2695, 
        -2.8022
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        1.8, 
        2.4, 
        4.9
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      "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", 
      "max_abserror_percentage": 7.697047402658308, 
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        229.4790425881445, 
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        15.531, 
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      "type": "rhoLnoexp", 
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      "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", 
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        3.2654114756432338e-06, 
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        9.949920852162851e-12, 
        -5.483042132700976e-15
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        -0.002887797728764772
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      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 0.6912212856975781, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
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        15.938466784683298, 
        -0.24023455114414358, 
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        -7.195373195953608e-06, 
        1.7371939824471505e-08, 
        -2.294076043955419e-11, 
        1.2855468832620826e-14
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        -0.002883612151306938
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      "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", 
      "max_abs_error": 1.2619575555954086, 
      "max_abs_error_units": "J/mol/K", 
      "type": "rational_polynomial"
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  "CAS": "R410A.PPF", 
  "ENVIRONMENTAL": {
    "ASHRAE34": "A1", 
    "FH": 1, 
    "GWP100": 2088.0, 
    "GWP20": -1.0, 
    "GWP500": -1.0, 
    "HH": 1, 
    "Name": "R410A", 
    "ODP": -1.0, 
    "PH": 0
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  "EOS": [
    {
      "BibTeX_CP0": "", 
      "BibTeX_EOS": "Lemmon-IJT-2003", 
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          "smolar": 119.87551795269343, 
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        "sat_min_vapor": {
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      "T_max": 450, 
      "T_max_units": "K", 
      "Ttriple": 200, 
      "Ttriple_units": "K", 
      "accentric": 0.296, 
      "accentric_units": "-", 
      "alpha0": [
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          "a1": 36.8871, 
          "a2": 7.15807, 
          "type": "IdealGasHelmholtzLead"
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        {
          "a": -1, 
          "type": "IdealGasHelmholtzLogTau"
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        {
          "n": [
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          "t": [
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          "type": "IdealGasHelmholtzPower"
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        {
          "n": [
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          "t": [
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          "type": "IdealGasHelmholtzPlanckEinstein"
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      "alphar": [
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          "l": [
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          "n": [
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          "type": "ResidualHelmholtzPower"
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      "gas_constant": 8.314472, 
      "gas_constant_units": "J/mol/K", 
      "molar_mass": 0.07258540000000001, 
      "molar_mass_units": "kg/mol", 
      "p_max": 50000000, 
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      "pseudo_pure": true
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  ], 
  "NAME": "R410A", 
  "REFPROP_NAME": "R410A", 
  "STATES": {
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      "p": 4901200.0, 
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    "pressure_max_sat": {
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      "p": 4901296.586, 
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      "rhomolar": 6365.195238, 
      "rhomolar_units": "mol/m^3"
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    "temperature_max_sat": {
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      "rhomolar": 6350.735221, 
      "rhomolar_units": "mol/m^3"
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    "triple_liquid": {
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      "rhomolar_units": "mol/m^3"
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    "triple_vapor": {
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      "p": 29009.781591566727, 
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      "rhomolar": 17.796769503206754, 
      "rhomolar_units": "mol/m^3"
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  }, 
  "TRANSPORT": {
    "conductivity": {
      "BibTeX": "Geller-PURDUE-2001", 
      "critical": {
        "hardcoded": "None"
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      "dilute": {
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        "B": [
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        "T_reducing_units": "K", 
        "m": [
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        "n": [
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        "type": "ratio_of_polynomials"
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      "residual": {
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        "T_reducing": 344.494, 
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        "d": [
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        "rhomass_reducing": 459.0300696, 
        "rhomass_reducing_units": "kg/m^3", 
        "t": [
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          0
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        "type": "polynomial"
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    }, 
    "viscosity": {
      "BibTeX": "Geller-PURDUE-2000", 
      "dilute": {
        "a": [
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          5.85e-08, 
          -2.129e-11
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        "t": [
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        "type": "powers_of_T"
      }, 
      "epsilon_over_k": 1e+99, 
      "epsilon_over_k_units": "K", 
      "higher_order": {
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        "T_reduce_units": "K", 
        "a": [
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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": 6323.999999999999, 
        "rhomolar_reduce_units": "mol/m^3", 
        "t1": [
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        "t2": [
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        "type": "modified_Batschinski_Hildebrand"
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      "sigma_eta": 1e+99, 
      "sigma_eta_units": "m"
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}