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将ZIC-ⅡA型离子色谱仪改装为双输液泵、双流路、双检测系统以后,可以同时用稀释100倍的油田注入水、双柱离子色谱(带电渗析抑制器)法测定Cl~-、SO_4~(2-),用稀释20倍的水样、单柱离子色谱法测定Ca~(2+)、Mg~(2+)。方法简便快速、准确可靠,已用于中原开采油田现场分析。
After converting the ZIC-ⅡA ion chromatograph into a dual-infusion pump, dual-flow path and dual detection system, water can be simultaneously injected into the oil field with a dilution of 100 times, and Cl ~ - and SO_4 by double column iontophoresis ~ (2-). Ca ~ (2 +) and Mg ~ (2+) were determined by single column ion chromatography with water 20 times diluted. The method is simple and rapid, accurate and reliable, and has been used in on-site analysis of the Central Plains production field.