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Items for "molecular weight distribution"

Isolation and fractionation of lignosulfonates by amine extraction and ultrafiltration: A comparative study

Spent sulfite liquors (SSLs) were fractionated by two common separation techniques: amine extraction and ultrafiltration...

Keywords: amine extraction, lignosulfonates, molar mass, molecular weight distribution, size exclusion chromatography, spent sulfite liquor, Ultrafiltration

07/2005 | Holzforschung, Walter de Gruyter
Determination of substituent distribution of viscoses by GPC

Based on previous investigations on the substitution pattern of stabilized and fresh viscose, different viscoses were analyzed by gel permeation chromatography (GPC) with multiple-angle laser light scattering, refractive index (RI), and UV detection...

Keywords: cellulose, endoglucanase, GPC, molecular weight distribution, substituent distribution, ultrasonic degradation, xanthogenate

08/2006 | Holzforschung, Walter de Gruyter