Analytical Control of the Mass Fraction of the Basic Substance in Antioxidants 2,4,6-Tri-tert-butylphenol and Pentaerythritol Tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate) by High-Performance Liquid Chromatography

被引：0
|
作者：
Kalikina, G. V. [1 ]
Shestakova, O. V. [1 ]
Vozisova, O. A. [1 ]
Leukhina, M. A. [1 ]
Isupova, I. L. [1 ]
机构：
[1] Joint Stock Co, Res Inst Polymer Mat, Perm 614113, Russia
来源：
RUSSIAN JOURNAL OF GENERAL CHEMISTRY | 2021年 / 91卷 / 09期
关键词：
high-performance liquid chromatography; antioxidants; Agidol-110; Songnox; 1010; Irganox; Evernox; 10; P-23; IR spectroscopy; statistical mathematical models;
D O I：
10.1134/S1070363221090334
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A technique for high-performance liquid chromatographic determination of the mass fraction of the basic substance in antioxidants 2,4,6-tri-tert-butylphenol (antioxidant P-23) and pentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate) (antioxidant Agidol-110) was developed. The technique consists in dissolution of the antioxidant in acetonitrile, followed by adding ethanol, separation of the basic substance and impurities by column chromatography, and recording the chromatogram, whereupon the mass fraction of the basic substance is calculated by the normalization method. Use of this technique allows determining the mass fraction of the basic substance in the 98.0-100% range for P-23 antioxidant and in the 95.0-100% range for Agidol-110 antioxidant. The technique developed can be recommended for analytical monitoring of the mass fraction of the basic substance in antioxidants for the purpose of incoming inspection of the raw materials and of the control after expiration of the warranty storage period.
引用
收藏
页码：1869 / 1874
页数：6
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