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GB/T 7602.2-2008: Determination of T501 oxidation inhibitor content in transformer oil or turbine oil -- Part 2: Liquid chromatography
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 7602.2-2008 | English | 189 |
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Determination of T501 oxidation inhibitor content in transformer oil or turbine oil -- Part 2: Liquid chromatography
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GB/T 7602.2-2008
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Basic data | Standard ID | GB/T 7602.2-2008 (GB/T7602.2-2008) | | Description (Translated English) | Determination of T501 oxidation inhibitor content in transformer oil or turbine oil -- Part 2: Liquid chromatography | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | E38 | | Classification of International Standard | 75.100; 29.040.10 | | Word Count Estimation | 8,873 | | Date of Issue | 2008-12-30 | | Date of Implementation | 2009-10-01 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.23 (Total No.136) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the transformer oil, turbine oil added T501 antioxidant (2, 6-di-tert- butyl- p-cresol) liquid chromatographic method content. This section applies to transformer oil, turbine oil Determination T501 antioxidant content. Determination of the content of other oil T501 can also be carried out with reference to this method. | GB/T 7602.2-2008: Determination of T501 oxidation inhibitor content in transformer oil or turbine oil -- Part 2: Liquid chromatography
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Determination of T501 oxidation inhibitor content in transformer oil or turbine oil Part 2. Liquid chromatography
ICS 75.100; 29.040.10
E38
National Standards of People's Republic of China
Transformer oil, turbine oil
T501 antioxidant content determination
Part 2. liquid chromatography
Posted 2008-12-30
2009-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 7602 "transformer oil, turbine oil T501 antioxidant content determination" is divided into three parts.
Part 1. spectrophotometry;
Part 2. liquid chromatography;
Part 3. infrared spectroscopy.
This section GB/T 7602 Part 2.
This section is proposed and managed by the China Electricity Council.
This section is drafted. Xi'an Thermal Power Research Institute Co., Ltd., Fujian Electric Power Research Institute.
The main drafters of this section. Meng Yuchan, Zheng Dongsheng, Yang Hongyan, even hung loose.
Transformer oil, turbine oil
T501 antioxidant content determination
Part 2. liquid chromatography
1 Scope
This section provides transformer oil, turbine oil added T501 antioxidant (2,6-di-tert-butyl-p-cresol) content measured by liquid chromatography
Setting Method.
This section applies to transformer oil, turbine oil antioxidant content measured T501, T501 Determination of the content of other oil may also be
Referring to the process carried out.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 7597 Power oil (transformer oil, turbine oil) sampling method
GB/T 17623 insulating oil dissolved gas components by Gas Chromatography
3 Method Summary
The method of using methanol as extractant enriched oil T501, the analysis is dissolved in the extract of T501 content by high performance liquid chromatography,
In order to achieve oil quantitative determination of T501.
The lower detection limit of this method is 0.005%.
4 Equipment
4.1 HPLC should meet the following conditions.
a) a single pump or double-pump system;
b) C18 HPLC column, column length 150mm;
c) capable of detecting ultraviolet (UV) spectrum UV detector;
d) data acquisition system should be used chromatography data workstation or chromatographic data processor;
e) ultrasonic generator or line degasser for removing air bubbles in the mobile phase.
4.2 mechanical oscillator. reciprocating oscillation frequency of 270 times/min ~ 280 times/min, the amplitude of 35mm; can GB/T 17623 method of removal
Air shaker with.
4.3 high-speed centrifuge laboratory use. 0r/min ~ 4000r/min.
4.4 Analytical balance. accuracy of 0.0001g.
4.5 5mL glass syringe.
4.6 10μL micro syringe.
4.7 10mL stoppered cuvette.
4.8 1.00mL pipette.
4.9 stirrer.
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