{ "ALIASES": [ "SO2", "SULFURDIOXIDE" ], "ANCILLARIES": { "hL": { "A": [ -26971.182814597098, -331.73909509073843, 5.520055328814452, -0.03371089013044174, 0.00011708387958758245, -2.406674329760069e-07, 2.723591780247619e-10, -1.314721068755449e-13 ], "B": [ 1, -0.002304611392392103 ], "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 284.6977064764933, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "hLV": { "A": [ -11469.305366803483, 1148.0403566307843, -13.858138341130521, 0.08293034804304897, -0.0002908436596969313, 6.037693038027324e-07, -6.891978564580963e-10, 3.350701365050246e-13 ], "B": [ 1, -0.002302068142508644 ], "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 614.6433620545522, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "pL": { "T_r": 430.64, "Tmax": 430.6399999999989, "Tmin": 197.7, "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.11026707702719296, "n": [ -0.01541318834753553, 5.736549166205164, -11.904114521692316, -1.6686228028226027, -13.207056333610284, 10.603528318065084 ], "reducing_value": 7884000.0, "t": [ 0.277, 0.828, 0.893, 2.77, 5.132, 5.245 ], "type": "pL", "using_tau_r": true }, "pV": { "T_r": 430.64, "Tmax": 430.6399999999989, "Tmin": 197.7, "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.038603551098104205, "n": [ -0.004409358780634517, 0.023504159919188104, -6.289629332573044, -0.7188570157243328, -3.1262175770534815, -0.40365131803574894 ], "reducing_value": 7884000.0, "t": [ 0.054, 0.303, 0.962, 2.441, 4.086, 7.163 ], "type": "pV", "using_tau_r": true }, "rhoL": { "T_r": 430.64, "Tmax": 430.6399999999989, "Tmin": 197.7, "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", "max_abserror_percentage": 0.5204616741181667, "n": [ 3.223449710407596, -77.05672749784918, 85.25360653529852, -9.647788575068123, 455.1933494065884, -10290.419671830146 ], "reducing_value": 8195.0, "t": [ 0.429, 1.303, 1.358, 1.968, 12.316, 18.012 ], "type": "rhoLnoexp", "using_tau_r": false }, "rhoV": { "T_r": 430.64, "Tmax": 430.6399999999989, "Tmin": 197.7, "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.2939170856461115, "n": [ 1.0280623430324556, -4.535655163708297, -2.6324475896031925, -7.070153809118907, -2.7025088444376912, 172.3490226686549 ], "reducing_value": 8195.0, "t": [ 0.374, 0.417, 1.321, 5.232, 9.533, 14.482 ], "type": "rhoV", "using_tau_r": true }, "sL": { "A": [ -243.2085605614836, 1.6417007815428926, -0.002439582614724808, -1.876286807474718e-05, 1.208630927052698e-07, -3.1658842196543354e-10, 4.088763639068419e-13, -2.1432001992316916e-16 ], "B": [ 1, -0.002304913176057407 ], "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 0.6541589460937107, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "sLV": { "A": [ 856.5963021547773, -10.672183704941654, 0.06337962424031104, -0.00021725388502917922, 4.300184428115617e-07, -4.3835983733212186e-10, 1.3316219495506896e-13, 6.910393653689748e-17 ], "B": [ 1, -0.0023016775000616603 ], "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 1.4488933777755708, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "surface_tension": { "BibTeX": "Mulero-JPCRD-2012", "Tc": 430.64, "a": [ 0.0803, 0.0139, -0.0114 ], "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", "n": [ 0.928, 1.57, 0.364 ] } }, "CAS": "7446-09-5", "ENVIRONMENTAL": { "ASHRAE34": "B1", "FH": 0, "GWP100": -1.0, "GWP20": -1.0, "GWP500": -1.0, "HH": 3, "Name": "SulfurDioxide", "ODP": -1.0, "PH": 0 }, "EOS": [ { "BibTeX_CP0": "", "BibTeX_EOS": "Lemmon-JCED-2006", "STATES": { "hs_anchor": { "T": 473.704, "T_units": "K", "hmolar": 24412.82363656502, "hmolar_units": "J/mol", "p": 13013948.829727989, "p_units": "Pa", "rhomolar": 7375.5, "rhomolar_units": "mol/m^3", "smolar": 63.33559493047311, "smolar_units": "J/mol/K" }, "reducing": { "T": 430.64, "T_units": "K", "p": 7884000, "p_units": "Pa", "rhomolar": 8195, "rhomolar_units": "mol/m^3" }, "sat_min_liquid": { "T": 197.7, "T_units": "K", "p": 1.6602201925894202, "p_units": "Pa", "rhomolar": 25290.03160667636, "rhomolar_units": "mol/m^3" }, "sat_min_vapor": { "T": 197.7, "T_units": "K", "p": 1.6602201925894202, "p_units": "Pa", "rhomolar": 1.0119785850101077, "rhomolar_units": "mol/m^3" } }, "T_max": 525, "T_max_units": "K", "Ttriple": 197.7, "Ttriple_units": "K", "accentric": 0.2557, "accentric_units": "-", "alpha0": [ { "a1": -4.5328346436, "a2": 4.4777967379, "type": "IdealGasHelmholtzLead" }, { "a": 3, "type": "IdealGasHelmholtzLogTau" }, { "n": [ -0.01560057996 ], "t": [ -1 ], "type": "IdealGasHelmholtzPower" }, { "n": [ 1.062, 1.9401 ], "t": [ 1.799647036968233, 4.298253761842839 ], "type": "IdealGasHelmholtzPlanckEinstein" } ], "alphar": [ { "d": [ 1, 1, 1, 3, 7, 1, 2, 5, 1, 1, 4, 2 ], "l": [ 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3 ], "n": [ 0.93061, -1.9528, -0.17467, 0.061524, 0.00017711, 0.21615, 0.51353, 0.010419, -0.25286, -0.05472, -0.059856, -0.016523 ], "t": [ 0.25, 1.25, 1.5, 0.25, 0.875, 2.375, 2, 2.125, 3.5, 6.5, 4.75, 12.5 ], "type": "ResidualHelmholtzPower" } ], "gas_constant": 8.314472, "gas_constant_units": "J/mol/K", "molar_mass": 0.0640638, "molar_mass_units": "kg/mol", "p_max": 35000000, "p_max_units": "Pa", "pseudo_pure": false } ], "NAME": "SulfurDioxide", "REFPROP_NAME": "SO2", "STATES": { "critical": { "T": 430.64, "T_units": "K", "p": 7884000.0, "p_units": "Pa", "rhomolar": 8195.0, "rhomolar_units": "mol/m^3" }, "triple_liquid": { "T": 197.7, "T_units": "K", "p": 1.6602201925894202, "p_units": "Pa", "rhomolar": 25290.03160667636, "rhomolar_units": "mol/m^3" }, "triple_vapor": { "T": 197.7, "T_units": "K", "p": 1.6602201925894202, "p_units": "Pa", "rhomolar": 1.0119785850101077, "rhomolar_units": "mol/m^3" } } }