Molecular Weight Measurement Method

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  • 分子量測定法
  • 最新評価分析講座(第11講)分子量測定法 : 新校正SEC-MALS法による無秩序分岐高分子の精密特性解析
  • サイシン ヒョウカ ブンセキ コウザ(ダイ11コウ)ブンシリョウ ソクテイホウ : シン コウセイ SEC-MALSホウ ニ ヨル ムチツジョ ブンキ コウブンシ ノ セイミツ トクセイ カイセキ
  • －Pecise Molecular Characterization of Randomly Long Chain Branched Polymers Using the New Calibration SEC-MALS Method－
  • －新校正SEC-MALS法による無秩序分岐高分子の精密特性解析－

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Abstract

<p>Today, size exclusion chromatography (SEC) fitted with multi-angle light scattering (MALS) has widely been recognized as a versatile and useful analytical method for molecular weight measurement and molecular characterization of macromolecules. SEC-MALS is the only method to afford the absolute molar mass, molar mass distribution, and radius of gyration of macromolecules even for poly-dispersed samples. We describe the calibration method of the SEC-MALS equipment, the problems associated with the conventional and new calibration methods and the precise molecular characterizations of linear chains and randomly long chain branched polymers.</p>

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