线性聚乙烯标准参考物质1475的特性。IX. 用膜渗透压法测定级分的数均分子量。
The Characterization of Linear Polyethylene SRM 1475. IX. Number Average Molecular Weight of Fractions by Membrane Osmometry.
作者信息
Brown James E, Verdier Peter H
机构信息
Institute for Materials Research, National Bureau of Standards, Washington, D.C. 20234.
出版信息
J Res Natl Bur Stand A Phys Chem. 1972 Mar-Apr;76A(2):161-162. doi: 10.6028/jres.076A.022.
Abstract
The number average molecular weights of a series of fractions of linear polyethylene have been determined using a high speed membrane osmometer. The values of the fractions, which were prepared by an elutinn technique, were used in GPC calibration and subsequent characterization of linear polyethylene SRM 1475. The molecular weights, measurement techniques, and the precision of the measurements are presented.
摘要
使用高速膜渗透压计测定了一系列线性聚乙烯级分的数均分子量。通过淋洗技术制备的级分的值用于凝胶渗透色谱（GPC）校准以及随后对线性聚乙烯标准参考物质1475的表征。文中介绍了分子量、测量技术以及测量的精密度。
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