气相色谱-质谱联用法测定涡轮机油中3种抗氧化剂

doi:10.11930/j.issn.1004-9649.201707063

中国电力 ›› 2017, Vol. 50 ›› Issue (9): 161-164.DOI: 10.11930/j.issn.1004-9649.201707063

气相色谱-质谱联用法测定涡轮机油中3种抗氧化剂

孟维鑫¹, 汪红梅¹, 钱艺华², 张丽²

1. 长沙理工大学化学与生物工程学院,电力与交通材料保护湖南省重点实验室湖南长沙 410114;
2. 广东电网有限责任公司电力科学研究院,广东广州 510080

收稿日期:2016-08-29 出版日期:2017-09-25 发布日期:2017-09-11
作者简介:孟维鑫（1991—）,男,河北邯郸人,硕士研究生,从事电力用油研究。E-mail: wanghm123@126.com

Determination of Three Antioxidants in Turbine Oil by GC-MS Method

MENG Weixin¹, WANG Hongmei¹, QIAN Yihua², ZHANG Li²

1. Hunan Provincial Key Laboratory of Power and Traffic Materials Protection, School of Chemical and Biological Engineering, Changsha University of Science and Technology, Changsha 410114, China;
2. Electric Power Research Institute of Guangdong Power Grid Corporation, Guangzhou 510080, China

Received:2016-08-29 Online:2017-09-25 Published:2017-09-11

摘要/Abstract

摘要： 对抗氧化剂（抗氧剂）含量的检测是涡轮机油抗老化研究中的重要环节。选取甲醇对油样进行萃取,并采用气相色谱-质谱联用（GC-MS）法,建立了同时定量检测涡轮机油中2,6-二叔丁基对甲酚（T501）、N-苯基-α-萘胺（T531）和二辛基二苯胺（DODA）3种抗氧剂的方法。考察了该方法的准确度和精密度,并进行了实际样品的分析。研究结果表明,该方法检测上述3种抗氧剂的回收率在95.8%~101.2%之间,相对标准偏差不大于1.04%,且样品处理简便,分析速度快,适用于快速定量检测涡轮机油中抗氧剂。该方法的研制成功,也为涡轮机油中其他添加剂的定量检测提供了思路。

关键词: 涡轮机油, 抗氧化剂, 定量分析, 样品处理, 气相色谱-质谱

Abstract: It is of great importance to determine antioxidant contents in the study of turbine oil antiaging. In this paper, methanol is selected for oil sample extraction. By using gas phase chromatography-mass spectrometry(GC-MS), the method to measure three antioxidants simultaneously and quantitatively in turbine oils, i. e., 2, 6-Di-tert-butyl-4-methylphenol(T501), N-Phenylnaphthalen-1-amine (T531) and 4, 4'-dioctylphenylamine (DODA), is established. The accuracy and precision of the method are also studied, and the analysis of the actual samples is carried out. The study results show that the recovery rates of the three antioxidants are between 95.8% and 101.2% with the relative standard deviation less than 1.04%. Particularly, the method is suitable for fast determination of the three antioxidants in turbine oils owing to its ease to use in sample treatment and analysis. The successful development of this method can also provide a new way for the determination of other additives in turbine oils.

Key words: turbine oil, antioxidant, quantitative analysis, sample treatment, GC-MS

中图分类号:

孟维鑫, 汪红梅, 钱艺华, 张丽. 气相色谱-质谱联用法测定涡轮机油中3种抗氧化剂[J]. 中国电力, 2017, 50(9): 161-164.

MENG Weixin, WANG Hongmei, QIAN Yihua, ZHANG Li. Determination of Three Antioxidants in Turbine Oil by GC-MS Method[J]. Electric Power, 2017, 50(9): 161-164.

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气相色谱-质谱联用法测定涡轮机油中3种抗氧化剂

Determination of Three Antioxidants in Turbine Oil by GC-MS Method

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气相色谱-质谱联用法测定涡轮机油中3种抗氧化剂

Determination of Three Antioxidants in Turbine Oil by GC-MS Method

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