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Determination method of methyl beta-(3,5-di-t-butyl-4-hydroxyphenyl) propionate content

A technology of di-tert-butylphenol and hydroxyphenyl, which is applied in the field of determination of 2,6-di-tert-butylphenol content, can solve problems such as the lack of analysis methods for content analysis, achieve novel analysis principles, simple operation process, Analyze the effect of low cost

Inactive Publication Date: 2015-11-25
新疆天利石化股份有限公司
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Problems solved by technology

[0002] Currently, 3,5 methyl ester (that is, methyl β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate) is used in the technology related to the antioxidant device process, and the existing analytical method for the analysis content is not See

Method used

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  • Determination method of methyl beta-(3,5-di-t-butyl-4-hydroxyphenyl) propionate content
  • Determination method of methyl beta-(3,5-di-t-butyl-4-hydroxyphenyl) propionate content
  • Determination method of methyl beta-(3,5-di-t-butyl-4-hydroxyphenyl) propionate content

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Embodiment Construction

[0026] Preferred embodiments of the present invention are described below, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0027] Determination method of 3,5 methyl ester content

[0028] 1. Set the chromatographic operating conditions

[0029] After the chromatograph is started, make the necessary adjustments to achieve the typical operating conditions given in Table 1, or other suitable conditions that can obtain equivalent separation. After the instrument is stable, the measurement can be carried out.

[0030] Table 1 Recommended chromatographic columns and typical operating conditions

[0031] .

[0032] 2. Standard sample preparation (weighing method)

[0033] This method adopts the area normalization method (or external standard method) for quantification, respectively quantitatively weigh chromatographically pure methyl a...

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Abstract

The present invention discloses a determination method of methyl beta-(3,5-di-t-butyl-4-hydroxyphenyl) propionate content. The method is as below: 1) sample preparation, 2) sample determination, and 3) calculation of the concentration content of each component by an area normalization method or external standard method. The determination method of methyl beta-(3,5-di-t-butyl-4-hydroxyphenyl) propionate content employs a chromatography analysis method, and ensures the accuracy and reliability of the results; the operation process is simple, so as to improve the output and the yield of antioxidant. The method has the advantages of novel analytical principle, advanced technology, wide application scope, simple steps, short time-consuming analysis, low cost analysis, and high accuracy, wide linear range and good reproducibility of analysis results and stable analysis conditions of the analysis method.

Description

technical field [0001] The invention relates to a method for determining the content of 2,6-di-tert-butylphenol. Background technique [0002] Currently, 3,5 methyl ester (that is, methyl β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate) is used in the technology related to the antioxidant device process, and the existing analytical method for the analysis content is not See. Contents of the invention [0003] The technical problem to be solved in the present invention is to overcome the existing defects, and provide a kind of accurate and reliable analytical result, simple operation process of β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate Method for determination of ester content. [0004] The purpose of the present invention is specifically achieved through the following technical solutions: [0005] A kind of assay method of β-(3,5-di-tert-butyl-4-hydroxyphenyl) methyl propionate content, comprises the steps: [0006] 1) Standard sample preparation [0007] Use ...

Claims

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Application Information

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IPC IPC(8): G01N30/02
Inventor 文金川王要青杨建龚亚军李新龙
Owner 新疆天利石化股份有限公司
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