Regression modelling for concentration dependent mass density and specific volume of aqueous surfactant solutions

IF 1.3 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Bulletin of the Chemical Society of Ethiopia Pub Date : 2023-05-12 DOI:10.4314/bcse.v37i4.19

S. Sivamani, Jeanifer Manganaan Ehilla, Saikat Banerjee, Manickam Vijayanand

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Abstract

ABSTRACT. In the present work, mathematical models relating mass density and specific volume of solution with concentration for aqueous solutions of anionic (sodium lauryl sulfate - SLS) and cationic (cetyltrimethylammonium bromide - CTAB) surfactants (0-10% (w/w)) have been investigated. The experimental studies were performed to study the effect of solution concentration on mass density and specific volume of solution. Mass density increases, and specific volume decreases with an increase in solution concentration for both surfactants. Linear, quadratic, cubic, quartic, quintic, and exponential models were fitted to the experimental data to check the applicability. The models were validated based on the coefficient of determination (R2) and the sum of square of error (SSE) to be unity and zero, respectively. Modelling results reveal that the quintic model was fitted to study the effect of density on solution concentration for both surfactants. KEY WORDS: Density, Surfactant, Cetyltrimethylammonium bromide, Sodium lauryl sulfate, Modelling, Regression Bull. Chem. Soc. Ethiop. 2023, 37(4), 1047-1054. DOI: https://dx.doi.org/10.4314/bcse.v37i4.19

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水表面活性剂溶液的浓度依赖质量密度和比容的回归模型

摘要本文研究了阴离子(月桂基硫酸钠- SLS)和阳离子(十六烷基三甲基溴化铵- CTAB)表面活性剂(0-10% (w/w))水溶液的质量密度和溶液比容随溶液浓度的数学模型。通过实验研究了溶液浓度对溶液质量密度和比容的影响。两种表面活性剂的质量密度随溶液浓度的增加而增加，比体积随溶液浓度的增加而减小。对实验数据进行了线性、二次、三次、四次、五次和指数模型拟合，以检验模型的适用性。根据决定系数(R2)和误差平方和(SSE)分别为1和0对模型进行验证。模拟结果表明，五次模型适合于研究密度对两种表面活性剂溶液浓度的影响。关键词:密度，表面活性剂，十六烷基三甲基溴化铵，十二烷基硫酸钠，建模，回归公牛化学。Soc。阿比西尼亚人。2023年,37 (4),1047 - 1054 . DOI: https://dx.doi.org/10.4314/bcse.v37i4.19

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来源期刊

Bulletin of the Chemical Society of Ethiopia 化学-化学综合

CiteScore

2.20

自引率

8.30%

发文量

113

审稿时长

6-12 weeks

期刊介绍： The Bulletin of the Chemical Society of Ethiopia (BCSE) is a triannual publication of the Chemical Society of Ethiopia. The BCSE is an open access and peer reviewed journal. The BCSE invites contributions in any field of basic and applied chemistry.