离子电极法测定木糖

摘要/Abstract

摘要： 木糖常采用费林试剂法.在沸腾条件下测定.当含量低于0.3%时,很难判断终点.本文用自制的2,4-二硝基酚电极,建立了测定木糖的离子电极法.

Abstract: Xylose has been determined on a 2,4-dinitrophenolate electrode based on the reaction between 2,4-dinitrophenolate and xylose in NaOH medium. The optimum conditions of determination are described.The method has been applied to determine the xylose content in hydrolysis solution of hemicellulose in waste residtie of papermaking.

Key words: lon-selective electrode method, dinitrophenolate electrode, xylose

刘鹤, 何亚明, 胡伟凡. 离子电极法测定木糖[J]. 应用化学, 1995, 0(1): 101-102.

Liu He, He Yaming, Hu Weifan. Determination of Xylose by Ion-Seletive Electrode[J]. Chinese Journal of Applied Chemistry, 1995, 0(1): 101-102.

[1]	黄玉秀. 电膜法生产木糖醇工艺[J]. 应用化学, 1997, 0(3): 105-106.
[2]	于九皋, 郑华武. 淀粉与木糖醇共混物的性能[J]. 应用化学, 1996, 0(6): 61-63.

离子电极法测定木糖

Determination of Xylose by Ion-Seletive Electrode

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