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用盐酸羟胺法测定聚醛葡聚糖中醛基的取代度

Determination of degree of substitution of formyl groups in polyaldehyde dextran by the hydroxylamine hydrochloride method.

作者信息

Zhao H, Heindel N D

机构信息

Department of Chemistry, Lehigh University, Bethlehem, Pennsylvania 18015.

出版信息

Pharm Res. 1991 Mar;8(3):400-2. doi: 10.1023/a:1015866104055.

DOI:10.1023/a:1015866104055
PMID:1711201
Abstract

Colorimetric or potentiometric titration of the aldehyde residues in polyaldehyde dextran by the hydroxylamine hydrochloride/sodium hydroxide method has been found to be a convenient and accurate method to determine formyl content. Nitrogen combustion analyses on the isolated oximes confirmed the titrametric results.

摘要

已发现通过盐酸羟胺/氢氧化钠法对聚醛葡聚糖中的醛基进行比色滴定或电位滴定是一种方便且准确的测定甲酰基含量的方法。对分离出的肟进行的氮燃烧分析证实了滴定结果。

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