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用ZBY-1全自动表面张力仪测定了288～333K温度范围内,二乙醇胺(Diethanolamine,DEA)、N-甲基二乙醇胺(N-methyldiethanolamine,MDEA)及其混合水溶液的表面张力,并分析了混合溶液的表面熵和表面焓等热力学性质与醇胺浓度的关系.
The surface tension of Diethanolamine (DEA), N-methyldiethanolamine (MDEA) and their mixed aqueous solution was measured by ZBY-1 automatic surface tensiometer in the temperature range of 288 ~ 333K. The relationship between the thermodynamic properties such as surface entropy and surface enthalpy of mixed solution and alcohol amine concentration.