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GB/T 5096-2017Test method for corrosiveness to copper from petroleum products by copper strip test (English PDF)

石油产品铜片腐蚀试验法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 31, 2017

Implementation date

February 1, 2018

Scope

GB/T 5096-2017 is the English-translated version of 石油产品铜片腐蚀试验法.

GB/T 5096-2017 is the Chinese standard "Test method for corrosiveness to copper from petroleum products by copper strip test". Its scope clause reads: This standard specifies the test method for evaluating the extent of copper corrosion of petroleum products.

This standard applies to the determination of automotive gasoline, aviation gasoline, jet fuel, solvent oil, kerosene, diesel, distillate fuel oil, lubricants and natural Gasoline or other hydrocarbons having a vapor pressure not greater than 124 kPa at 37.8 ° C. Caution --- Some products, such as natural gas, have a higher vapor pressure than typical vapor pressures of motor gasoline or aviation gasoline, so special notes Do not put pressure vessels containing natural vapor or other products of high vapor pressure in a 100 ° C bath.

Vapor pressure exceeds 124kPa The sample at 100 °C can produce a lot of pressure, will rupture the pressure vessel; so the vapor pressure exceeds 124kPa samples should be used SH/T 0232 determination. Its clauses include method summary; equipment.

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Document preview — GB/T 5096-2017

National Standard of the People's Republic of China

ICS: 75.080
Classification: E 30
Replacing: GB 5096-1985

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
Introduction
1 Scope
2 Normative references
3 Method summary
4 equipment
5 Reagents and materials
6 copper corrosion standard swatch
7 sample
9 Test Procedure
11 precision
12 Test Report
Appendix A (Normative) Safety Warnings

1 Scope

This standard specifies the test method for evaluating the extent of copper corrosion of petroleum products.

This standard applies to the determination of automotive gasoline, aviation gasoline, jet fuel, solvent oil, kerosene, diesel, distillate fuel oil, lubricants and natural

Gasoline or other hydrocarbons having a vapor pressure not greater than 124 kPa at 37.8 ° C.

Caution --- Some products, such as natural gas, have a higher vapor pressure than typical vapor pressures of motor gasoline or aviation gasoline, so special notes

Do not put pressure vessels containing natural vapor or other products of high vapor pressure in a 100 ° C bath. Vapor pressure exceeds 124kPa

The sample at 100 °C can produce a lot of pressure, will rupture the pressure vessel; so the vapor pressure exceeds 124kPa samples should be used

SH/T 0232 determination.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

Petroleum products - Test glass liquid thermometers - Technical conditions

GB/T 4756 Petroleum liquids - Manual sampling method

GB/T 5231-2012 processing of copper and copper alloy grades and chemical composition

Abrasives for coated abrasives - Particle size analysis - Part 1. Particle size composition GB/T 9258.1-2000

Petroleum liquid pipeline automatic sampling method

Liquefied petroleum gas - Copper corrosion test method

3 Method summary

A polished piece of copper immersed in a volume of the sample, according to the sample product category heated to the specified temperature, and maintain

A certain time. At the end of the heating cycle, the copper sheet was removed and, after washing, it was compared with a copper-etched standard color plate to evaluate discoloration of the copper sheet

Situation, determine the level of corrosion.

4 equipment

4.1 copper corrosion test pressure vessel

Stainless steel, the size shown in Figure 1, the container should be able to withstand 700kPa test gauge. As long as the internal dimensions of the container can be ensured as in Figure 1

The requirements are the same, as are the other design forms for the container lid and the elastomer seal. Pressure vessel internal dimensions should ensure that

Into a test tube having an outer diameter of 25 mm and a length of 150 mm.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

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Editions of GB/T 5096

Edition	Title	Revision	Status
GB/T 5096-2017	Test method for corrosiveness to copper from petroleum products by copper strip test	current edition	Current
GB 5096-1985	Test method for corrosiveness to copper from petroleum products by copper strip test	previous edition	Superseded

This page sells the current edition, GB/T 5096-2017. Earlier editions are listed for reference only.

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