Study of the Hydrolysis of Sodium Polyphosphate in Water Using Raman Spectroscopy

Author:

De Jager Henk-Jan1,Heyns Anton M.1

Affiliation:

1. Institute of Applied Materials, University of Pretoria, 0002 Pretoria, South Africa

Abstract

Raman spectroscopy is used to monitor hydrolysis of a polyphosphate dissolved in water at pH = 0. It is found that this reaction is of zeroth-order and obeys the Arrhenius equation with Ea = 57 kJ·mole−1. Hydrolysis predominantly takes place at terminal phosphate units, and, although random hydrolysis might be involved in the process, its contribution is shown to be very small with respect to the overall process.

Publisher

SAGE Publications

Subject

Spectroscopy,Instrumentation

Reference17 articles.

1. Corbridge D. E. C., Phosphorus: An Outline of its Chemistry, Biochemistry, and Technology (Elsevier, Amsterdam, 1980), 2nd ed., p. 117.

2. Ray N. H., Inorganic Polymers (Academic Press, London, 1978), pp. 63–64.

3. Chain Branching in Glassy Polyphosphates: Dependence on the Na/P Ratio and Rate of Degradation at 25°1

4. Metal Ion Promoted Hydrolysis of Polyphosphates

5. Effects of osmotic stress and growth stage on cellular pH and polyphosphate metabolism in Neurospora crassa as studied by 31P nuclear magnetic resonance spectroscopy

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3