ionpac as14a carbonate eluent anion-exchange column 60050)╟╟dc detector/chromatography compartment╟╟eg eluent (gpc) tetrahydrofuran (thf) as eluent《涂料和清漆用粘合剂 凝胶 with all the capabilities of modern ic systems, including eluent 淋洗液自动发生器(eluent generator,eg)原理图