GB/T 34580-2017Standard test method for measurement of lubricant generated insoluble color bodies in in-service turbine oils—Membrane patch colorimetry (English PDF)
运行涡轮机油中不溶有色物质的测定方法 膜片比色法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 29, 2017
Implementation date
April 1, 2018
Scope
GB/T 34580-2017 is the English-translated version of 运行涡轮机油中不溶有色物质的测定方法 膜片比色法.
GB/T 34580-2017 is the Chinese standard "Standard test method for measurement of lubricant generated insoluble color bodies in in-service turbine oils—Membrane patch colorimetry".
Its scope clause reads: This standard specifies the method of determination of the operation of the turbine oil insoluble matter.
This standard applies to the determination of the color of insoluble matter in the turbine oil without added dye operation, phosphoric acid anti-fuel colored Solubility determination of chromogenic can also refer to the use. Its clauses include terms and definitions.
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Document preview — GB/T 34580-2017
National Standard of the People's Republic of China
- ICS
- 75.100
- Classification
- E 34
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 3.1 CIELAB Chromaticity CIELABcolorscales
- 3.2 Colorimetry
- 3.3 Diaphragm color membranecolor
- 3.4 Varnish
- 3.5 Trictimulusvalues tristimulusvalues
1 Scope
This standard specifies the method of determination of the operation of the turbine oil insoluble matter.
This standard applies to the determination of the color of insoluble matter in the turbine oil without added dye operation, phosphoric acid anti-fuel colored
Solubility determination of chromogenic can also refer to the use.
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.
Electric power oil (mineral insulating oil, turbine oil) sampling method
ASTMD7843-2012 Turbine oil in the operation of the determination of color insoluble substances in the membrane colorimetry (StandardTest
Method for Measurement of Civilized GeneratedInsolubleColorBodiesinIn-ServiceTurbineOils usingMembranePatchColorimetry)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 CIELAB Chromaticity CIELABcolorscales
CIELAB color a *, b *, L * three parameters that. a * is positive in the red direction and negative in the green direction; b * is in the yellow direction
Positive, blue negative; L * positive in bright, dark negative.
3.2 Colorimetry
The method of determining the content of a test component by comparing or measuring the color depth of a colored substance.
3.3 Diaphragm color membranecolor
Chroma retained on the filter membrane.
3.4 Varnish
A thin, hard, shiny, oil-insoluble deposit. This deposit consists mainly of organic residues and is available in color definition.
Note. It can not be easily wiped off with a clean, soft, dry, dust-free wipe. It may vary in color, but usually shows gray, brown or amber
Amber
3.5 Trictimulusvalues tristimulusvalues
The tristimulus value is the amount of irritation that causes the human retina to feel three primary colors of a certain color.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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