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GB/T 26109-2010: Test of aqueous protective fluids for rust preventing ability -- Electrochemical measurement with wire beam electrode
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Test of aqueous protective fluids for rust preventing ability -- Electrochemical measurement with wire beam electrode
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GB/T 26109-2010
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Basic data | Standard ID | GB/T 26109-2010 (GB/T26109-2010) | | Description (Translated English) | Test of aqueous protective fluids for rust preventing ability -- Electrochemical measurement with wire beam electrode | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A29 | | Classification of International Standard | 25.220-70 | | Word Count Estimation | 9,980 | | Date of Issue | 1/10/2011 | | Date of Implementation | 10/1/2011 | | Quoted Standard | GB/T 678; GB/T 11372; GB/T 15894 | | Regulation (derived from) | Announcement of Newly Approved National Standards 2011 No. (No. 166 overall) 1 | | 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 evaluation of water-based liquid rust rust resistance testing multi-electrode electrochemical test methods, equipment and procedures. This Standard is applicable to comparative tests of iron-based materials Sheung Shui-based organic liquid rust rust-proof properties. | GB/T 26109-2010: Test of aqueous protective fluids for rust preventing ability -- Electrochemical measurement with wire beam electrode
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Test of aqueous protective fluids for rust preventing ability. Electrochemical measurement with wire beam electrode
ICS 25.220-70
A29
National Standards of People's Republic of China
Water-based anti-rust solution rust resistance test
Multi-electrode electrochemical
Issued on. 2011-01-10
2011-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
Appendix A of this standard is a normative appendix.
The standard proposed by China Machinery Industry Federation.
This standard layer Standardization Technical Committee (SAC/TC57) administered by the National Metal and non-metal cover.
This standard was drafted. Hunan University, Wuhan Institute of Material Protection, Hunan Provincial Quality and Technical Supervision, Guangzhou Mechanical Engineering Research Institute,
Chemical Co., Ltd. Changsha glorious future.
The main drafters of this standard. Jin Jiucheng, Di Chen Ping, Huang Guifang, Road Town Wang, Jin Hao, JIA Jian new, into Yimin, Xue in Pengpei Ying, Wu Cuilan,
Zhu Xiaoli.
Introduction
Since the factors that affect the performance of water-based anti-rust solution rust many single electrochemical test rapid test does not represent an absolute water-based anti-rust solution
Rust resistance, so the test results obtained in this standard are not as liquid sample measured directly guide the use rust resistance in all environments.
Nevertheless, the method specified in this standard is still available as a method of comparing the test sample liquid water-based rust rust performance advantages and disadvantages.
Water-based anti-rust solution rust resistance test
Multi-electrode electrochemical
1 Scope
This standard specifies the evaluation of a water-based anti-rust solution rust resistance test multi-electrode electrochemical test methods, equipment and procedures.
This standard applies to iron-based material in Sheung Shui based organic liquid rust rust performance comparison test.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard; however, encourage the parties to reach an agreement on this standard is
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 678 chemical reagent alcohol (ethanol)
GB/T 11372 rust term
GB/T 15894 chemical reagents petroleum ether
3 Terms and Definitions
GB/T 11372 and established the following terms and definitions apply to this standard.
3.1
Water-based organic liquid rust aqueousorganicprotectivefluids
The main use of water-soluble organic corrosion inhibitors and anti-rust liquid, including liquid emulsion rust, rust water and cleaning agents.
3.2
Rust performance rustpreventingability
Rust liquid metal under effective protective film or the ability to prevent corrosion of the metal.
3.3
Multi-electrode electrochemical electrochemicalmeasurementwithwirebeamelectrode
By measuring a plurality of electrochemical parameters in a water-based rust liquid, and statistical parameters to evaluate its anti-rust performance.
Principle 4
At room temperature, water-based organic coating film rust corrosion of metals is a electrochemical process. The process encountered resistance from the main polarization
Resistance, followed by the film resistor. The resistance encountered during the greater the corrosion rate of the metal is smaller. Polarization resistance is greater than the resistance of the film
Under the conditions, the greater the measured resistance, anti-rust properties of water-based anti-rust solution, the better. Since the anti-rust solution electrochemical unevenness, a respective electrode resistance
Like it is different. Low resistance region is liquid rust protection weaknesses, its first film under the metal corrosion, direct control of the film's excellent rust resistance
inferior. Multi-electrode electrochemical method to evaluate the performance of rust rust film by Statistics low resistance electrode resistance area.
5 Materials and Reagents
5.1 test probe electrode material
Φ = 0.9mm diameter wire model ASTMA853.
5.2 the auxiliary electrode material
Diameter φ = 18mm45
Petroleum ether boiling range 60 ℃ ~ 90 ℃, should be consistent with GB/T 15894 requirements; ethanol should be consistent with GB/T 678 requirements.
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