天然气处理厂气体及溶液分析与脱硫、脱碳及硫磺回收分析评价方法 第4部分：用离子色谱法测定醇胺脱硫溶液中钠、镁、钙离子组成

Analysis and evaluation methods of gas and solution and desulfurization decarbonization and sulfur recovery for natural gas treating plant—Part 4: Determination of sodium, magnesium, calcium in alkanol amine desulfurization by ion chromatography