About WALKER C C
About E.I. du Pont de Nemours Inc., OH, USA
About Journal of Polymer Science. Part A. Polymer Chemistry
About size exclusion chromatography
About benzenetetracarboxylic dianhydride
About Molecular weight distribution,fractionation of polymers
About ポリアミド酸
About 高性能
About サイズ排除クロマトグラフィー