Improvement of Method Determining Mass Concent ration of HPAM by the S tarch - Cadmium Iodide

Journal of Petrochemical Universities ›› 2007, Vol. 20 ›› Issue (1): 28-30.

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Improvement of Method Determining Mass Concent ration of HPAM by the S tarch - Cadmium Iodide

ZHANG Zho ng - zhi¹,GAO Yu - ge¹, LU Xiao - gang²,WANG Han³,ZHANG Qing - jun³

1. Faculty of Chemical Science and Engineering , China University of Petroleum , Beijing 102200 , P. R. China;
2. Safety and Environment Protection Co. , Ltd. of East China I nvestigation &Design I nstitute , Qingdao Shandong 266071 , P. R. China;
3. No. 2 Oil Well of Henan Oil Field , Tanghe Henan 473400, P. R. China

Received:2006-07-17 Published:2007-03-20 Online:2017-06-28

显色法测定HPAM 质量浓度的方法改进

张忠智¹ , 　高玉格¹, 　卢晓刚² , 　王　晗³ , 　张清军³

1. 中国石油大学化学科学与工程学院, 北京102200;　
2. 华东设计院安全环保有限公司, 山东青岛266071 ;
3. 河南油田第二采油厂, 河南唐河473400

作者简介:张忠智(1955 - ), 男, 山东嘉祥县, 教授, 博士
基金资助:
2004 年度中石油股份公司科技风险创新基金项目

Abstract

Abstract:

The effect of mass concentration of starch on accuracy of determining partially hydrolyzed poly acry lamide(H PAM) concentration by use of starch - cadmium iodide method was studied. The results show that the Abs not only increases with the increase of H PAM mass concent ration, but also with the increase of straight chain starch mass concentration. A way to improve the solubility of straight chain starch was adopted and the best added quantity of starch was found. The improved process for determining H PAM mass concentration was displayed. In the range from 0 to 25 mg /L of H PAM mass concentration , a standard working curve of H PAM mass concentrationvs. solution absorbency was constructed with R2 is equal to 0. 999 8.

Key words: Aydrolyzed polyacry lamide, , Straight chain starch, , Starch - cadmium iodide method, , Branch chain starch

摘要： 探讨了用淀粉- 碘化镉法测定部分水解聚丙烯酰胺(H PAM)质量浓度时, 淀粉质量浓度对测定结果准确性的影响。实验发现溶液吸光度不仅受聚丙烯酰胺质量浓度的影响, 而且也受淀粉质量浓度影响。随着直链淀粉质量浓度增大, HPAM 溶液的最大吸光度也在增加。采用了新的溶解淀粉方法, 考察了最佳淀粉剂量, 并给出改进后的测定方法。利用改进后的方法建立的HPAM 质量浓度- 溶液吸光度(Abs)标准曲线, HPAM 质量浓度在0～ 25 mg /L , 标准曲线呈极好的线性关系, 测定值的相关系数R2 为0. 999 8 。

关键词: 聚丙烯酰胺, 　直链淀粉, 　淀粉- 碘化镉法, 　支链淀粉

ZHANG Zho ng - zhi,GAO Yu - ge, LU Xiao - gang,WANG Han,ZHANG Qing - jun. Improvement of Method Determining Mass Concent ration of HPAM by the S tarch - Cadmium Iodide[J]. Journal of Petrochemical Universities, 2007, 20(1): 28-30.

张忠智, 高玉格, 卢晓刚, 王　晗, 张清军. 显色法测定HPAM 质量浓度的方法改进[J]. 石油化工高等学校学报, 2007, 20(1): 28-30.

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Improvement of Method Determining Mass Concent ration of HPAM by the S tarch - Cadmium Iodide

显色法测定HPAM 质量浓度的方法改进

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