Non-aqueous titration of the acidic groups in coals: a warning!

被引：7

作者：

Clemow, LM

Jackson, WR

机构：

[1] Monash Univ, Dept Chem, Ctr Green Chem, Melbourne, Vic 3800, Australia

[2] CRC Clean Power Lignite, Melbourne, Vic 3170, Australia

来源：

FUEL | 2002年 / 81卷 / 07期

关键词：

acid group determination; non-aqueous titration; ethylenediamine;

D O I：

10.1016/S0016-2361(02)00003-0

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 [动力工程及工程热物理]; 0820 [石油与天然气工程];

摘要：

Non-aqueous potentiometric titration using ethylenediamine as a solvent and sodium aminoethoxide as a titrant has been shown to be reliable for the estimation of total acidity only when the substrate is completely dissolved in the solvent. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：959 / 961

页数：3

共 6 条

[1]

ALLARDICE DJ, UNPUB

[2]

BROOKS JD, 1957, FUEL, V36, P51

[3]

SODIUM AMINOETHOXIDE TITRATION OF WEAK ACIDS IN ETHYLENEDIAMINE - APPLICATION TO DETERMINATION OF PHENOLS IN COAL HYDROGENATION OILS [J].