气体的临界常数及在水中的溶解度

气体的临界常数及在水中的溶解度CriticalConstantsandtheAquaticSolubilitiesofGases单质气体的临界常数CriticalConstantsofElementarySubstanceGases序号(No.)分子式(Molecularformula)临界温度(Criticaltemperature)

Tc/℃临界压力(Criticalpressure)pc/(106Pa)临界密度(Criticaldensity)ρc/(g/ml)1Ar-122.44.87340.5332As530.034.651-3Br2311.010.3341.264Cs1806.0-0.445Cl2144.07.70030.5736D2-234.91.65150.6697F2-128.855.21490.5748H2-240.171.29280.03149He-267.960.226950.0698103He-269.840.114490.041411Hg1462.018.946-12I2546.0-1.6413K1950.016.2110.18714Kr-63.85.50160.91915Li2950.068.8970.10516N2-147.03.39420.31317Na2300.035.4620.19818Ne-228.752.75590.48419O2-118.575.04260.43620O3-12.15.57260.5421P721.0--22Ra104.06.2818-23Rb1832.0-0.3424S1041.011.753-25Si-3.54.8430-26Xe16.5835.84001.11无机化合物气体的临界常数CriticalConstantsofInorganicCompoundGases空气(Air)-140.63.76910.313HfCl4450.05.77521.05AlBr3356.02.63430.510HgCl2700.0-1.56AlCl3490.02.88760.860NF3-39.24.5290-AsCl3318.0-0.720NH3132.411.2760.235BBr3300.0-0.90NO-93.06.48440.52BCl3178.838.704-NO2158.010.1320.55BF3-12.34.9849-N2F436.23.7488-B2H616.64.0528-N2H4380.014.691-BiCl3906.011.9551.21N2O36.417.24430.452(CN)21275.9778-PH351.66.5351-CO-140.243.49850.301SF645.543.75890.736CO231.07.37600.468SO2157.67.88370.525COS102.05.87650.44SO3217.88.20690.63GeCl4279.03.85010.65SbCl3521.0-0.84HBr90.08.5514-SiClF334.53.4651-HCl51.58.30820.45SiCl2F295.83.4955-HCN183.65.39020.195SiCl3F165.33.5765-HI150.88.3082-SiCl4234.03.74880.521HF188.06.48440.29SiF4-14.13.7184-H2O373.0922.0470.32SnCl4318.83.74880.742D2O370.821.6620.36TiCl4365.04.66070.56H2S100.08.93640.346UF6232.64.66071.41H2Se138.03.8501-ZrCl4505.05.76510.730

41丙

腈PropanenitrileC3H5N291.24.18450.24042丙

烯PropyleneC3H691.84.62020.23343环丙烷CyclopropaneC3H6124.655.4945-44丙

酮AcetoneC3H6O236.54.78230.27845甲酸甲酯MethylformateC2H4O2214.06.00350.34946甲酸乙酯EthylformateC3H6O2235.34.73770.32347甲酸丙酯PropylformateC4H8O2264.94.06090.30948甲酸异丁酯i-ButylformateC5H10O2278.03.88050.2949甲酸戊酯AmylformateC6H12O2303.0--50乙酸甲酯MethylacetateC3H6O2233.74.69410.32551乙酸乙酯EthylacetateC4H8O2250.13.84910.30852乙酸丙酯PropylacetateC5H10O2276.23.36280.26953乙酸丁酯n-ButylacetateC6H12O2306.0--54乙酸异丁酯i-ButylacetateC6H12O2288.0--55丙酸甲酯MethylpropionateC4H8O2257.44.00410.31256丙酸乙酯EthylpropionateC5H10O2272.93.36170.29657丙酸丙酯PropylpropionateC6H12O2305.0--58丙酸异丁酯i-ButylpropionateC7H14O2319.0--59丁酸甲酯Methyl-n-butyrateC5H10O2281.33.47320.30060丁酸乙酯Ethyl-n-butanoateC6H12O2293.03.03960.2861戊

酸ValericacidC5H10O2378.0--62异丙醇i-PropanolC3H8O235.164.76400.27363甲基乙基醚MethylethyletherC3H8O164.74.39720.27264三甲基胺TrimethylamineC3H9N160.14.07300.23365丙

胺n-PropylamineC3H9N233.84.7417-66丁

腈ButyronitrileC4H7N309.13.7893-67丁

烯ButyleneC4H8146.44.02240.23468邻乙基甲苯o-EthyltolueneC9H12380.03.14110.2869间乙基甲苯m-EthyltolueneC9H12363.03.14110.2870对乙基甲苯p-EthyltolueneC9H12363.03.14110.2871正丁酸n-ButyricacidC4H8O2355.05.26860.30472丁

烷ButaneC4H10152.13.81970.22873乙

醚EthyletherC4H10O193.553.63730.26574正丁醇n-ButanolC4H10O289.784.41240.27075正丁胺n-ButylamineC4H10N251.04.1541-76二乙胺DiethylamineC4H11N223.53.70830.24377全氟丁烷OctafluorobutaneC4F10113.22.32320.62978吡

啶PyridineC5H5N346.85.63330.31279环戊烷CyclopentaneC5H10238.54.50770.27802-戊酮2-PentanoneC5H10O290.83.89060.28681正戊烷n-PentaneC5H12196.53.37900.237822,2-二甲基丙

烷2,2-DimethylpropaneC5H12160.603.19860.23883溴

苯PhenylbromideC6H5Br397.04.51880.48584氯

苯ChlorobenzeneC6H5Cl359.24.51880.36585

碘

苯PhenyliodideC6H5I448.04.51880.58186苯BenzeneC6H6288.944.89780.30287苯

酚PhenolC6H5OH421.16.12980.4188苯

胺AnilineC6H5NH2426.05.30910.3489全氟苯OctafluorobenzeneC6F6243.573.3042-90甲基环戊烷MethylcyclopentaneC6H12259.63.78930.26491环己烷CyclohexaneC6H12280.34.07300.27392正己烷n-HexaneC6H14234.22.96860.233932,2-二甲基丁

烷2,2-DimethylbutaneC6H14215.583.08010.24094三乙基胺TriethylamineC6H15N262.03.03960.2695苯甲醛BenzaldehydeC6H5CHO352.02.1783-96甲

苯TolueneC7H8318.574.61510.29297邻甲苯酚o-CresolC7H8O424.45.00520.38498间甲苯酚m-CresolC7H8O432.64.55940.34699对甲苯酚p-CresolC7H8O431.45.14700.391100甲基环己烷MethylcyclohexaneC7H14299.13.47730.2851013-乙基戊烷3-EthylpentaneC7H16267.422.89060.241102乙

苯EthylbenzeneC8H10343.943.60900.284103邻二甲苯o-XyleneC8H10357.13.73260.243104间二甲苯m-XyleneC8H10343.823.49550.282105对二甲苯p-XyleneC8H10343.03.51070.282106二甲苯酚2,3-DimethylphenolC8H11O449.74.86330.26107二甲苯酚2,4-DimethylphenolC8H11O434.44.35700.24108二甲苯酚2,5-DimethylphenolC8H11O449.94.86360.26109二甲苯酚2,6-DimethylphenolC8H11O427.84.25570.24110二甲苯酚3,4-DimethylphenolC8H11O456.74.96490.27111二甲苯酚3,5-DimethylphenolC8H11O442.43.64770.20112N,N-二甲基苯胺N,N-DimethylanilineC8H11N411.03.6272-113正辛烷n-OctaneC8H18295.612.48630.2321141-辛烯1-OcteneC8H16293.4--1151-辛醇1-OctanolC8H17OH385.0-0.2661162-辛醇2-OctanolC8H18O364.0--1172,2-二甲基己烷2,2-DimethylhexaneC8H18276.652.52480.2391182,2,3-三甲基戊烷2,2,3-TrimethylpentaneC8H18290.282.72950.2621191,2,3-三甲基

苯1,2,3-TrimethylbenzeneC9H12257.962.95340.252120丙

苯n-PropylbenzeneC9H12365.153.19960.273121丁

苯n-butylbenzeneC10H14387.32.88660.270122正壬烷n-NonaneC9H20321.412.3100-1231-壬醇1-NonanolC9H19OH404.0-0.264124正庚烷n-HeptaneC7H16267.027.000.232125光

气PhosgeneCOCl2182.05.67390.52126二硫化碳CarbonbisulfideCS2279.07.90290.44

表中的符号意义如下。——吸收系数，指在气体分压等于101.325kPa时，被一体积水所吸收的该气体体积（已折合成标准状况）；l——是指气体在总压力（气体及水气）等于101.325kPa时溶解于1体积水中的该气体体积；q——是指气体在总压力（气体及水气）等于101.325kPa时溶解于100g

水中的气体质量（单位：g）。

气体在水中的溶解度TheAquaticSolubilitiesofGases气体(Gas)溶解度符号(Solubilitysymbol)温度(Temperature)/℃010203040506080100H2×1022.171.981.821.721.661.631.621.601.60q×1041.921.741.601.471.391.291.180.790He×1020.970.9910.9941.0031.0211.07

---q×104

-1.751.741.721.701.69---Ar×1025.284.133.372.882.51-2.091.84-Kr0.1110.0810.0630.0510.043-0.036--Xe0.2420.1740.1230.0980.082----Rn0.5100.3260.2220.1620.126-0.085--O2×1024.893.803.102.612.312.091.951.761.70q×1036.955.374.343.593.082.662.271.380N2×1022.351.861.551.341.181.091.020.9580.947q×1032.942.311.891.621.391.211.050.6600Cl2l4.613.152.301.801.441.231.020.6830q1.460.9970.7290.5720.4590.3930.3290.2230Br2(蒸气)60.535.121.313.8-----q42.924.814.99.5-----空气l

×1022.9182.2841.8681.564-----NH3q

89.579.672.065.163.658.753.148.244.0H2S4.673.402.582.041.661.391.190.9170