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ASTM D 3238 : 2017 : REV A

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Calculation of Carbon Distribution and Structural Group Analysis of Petroleum Oils by the n-d-M Method

Available format(s)

Hardcopy , PDF

Superseded date

10-20-2022

Language(s)

English

Published date

12-21-2017

1.1This test method covers the calculation of the carbon distribution and ring content (Note 1) of olefin-free petroleum oils from measurements of refractive index, density, and molecular weight (n-d-M).2 This test method should not be applied to oils whose compositions are outside the following ranges:

1.1.1In terms of carbon distribution—up to 75 % carbon atoms in ring structure; percentage in aromatic rings not larger than 1.5 times the percentage in naphthenic rings.

1.1.2In terms of ring content—up to four rings per molecule with not more than half of them aromatic. A correction must be applied for oils containing significant quantities of sulfur.

Note 1:The composition of complex petroleum fractions is often expressed in terms of the proportions of aromatic rings (RA), naphthene rings (RN), and paraffin chains (CP) that would comprise a hypothetical mean molecule. Alternatively, the composition may be expressed in terms of a carbon distribution, that is, the percentage of the total number of carbon atoms that are present in aromatic ring structures (% CA), naphthene ring structures (% CN), and paraffin chains (% Cp).

1.2The values stated in SI units are to be regarded as the standard.

1.2.1Exception—The values in parentheses are for information only.

1.3This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee
D 02
DocumentType
Test Method
Pages
3
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

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ASTM D 2503 : 1982 : R1987 : EDT 1 Standard Test Method for Molecular Weight (Relative Molecular Mass) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure
ASTM D 4052 : 2011 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
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ASTM D 2503 : 1992 : R2002 : EDT 1 Standard Test Method for Relative Molecular Mass (Molecular Weight) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure
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ASTM D 1480 : 2007 Standard Test Method for Density and Relative Density (Specific Gravity) of Viscous Materials by Bingham Pycnometer
ASTM D 1480 : 2012 Standard Test Method for Density and Relative Density (Specific Gravity) of Viscous Materials by Bingham Pycnometer
ASTM D 1480 : 2002 : EDT 1 Standard Test Method for Density and Relative Density (Specific Gravity) of Viscous Materials by Bingham Pycnometer
ASTM D 4294 : 2002 Standard Test Method for Sulfur in Petroleum Products by Energy-Dispersive X-Ray Fluorescence Spectroscopy
ASTM D 1552 : 2016 : EDT 1 Standard Test Method for Sulfur in Petroleum Products by High Temperature Combustion and Infrared (IR) Detection or Thermal Conductivity Detection (TCD)
ASTM D 1552 : 2007 Standard Test Method for Sulfur in Petroleum Products (High-Temperature Method)
ASTM D 1552 : 1995 Standard Test Method for Sulfur in Petroleum Products (High-Temperature Method)
ASTM D 1552 : 2015 Standard Test Method for Sulfur in Petroleum Products by High Temperature Combustion and IR Detection
ASTM D 1552 : 2001 Standard Test Method for Sulfur in Petroleum Products (High-Temperature Method)
ASTM D 4294 : 2016 : EDT 1 Standard Test Method for Sulfur in Petroleum and Petroleum Products by Energy Dispersive X-ray Fluorescence Spectrometry
ASTM D 1552 : 2008 : R2014 : EDT 1 Standard Test Method for Sulfur in Petroleum Products (High-Temperature Method)
ASTM D 4294 : 2008 : REV A : EDT 1 Standard Test Method for Sulfur in Petroleum and Petroleum Products by Energy Dispersive X-ray Fluorescence Spectrometry
ASTM D 1218 : 2002 : R2007 Standard Test Method for Refractive Index and Refractive Dispersion of Hydrocarbon Liquids
ASTM D 1218 : 1999 Standard Test Method for Refractive Index and Refractive Dispersion of Hydrocarbon Liquids
ASTM D 4052 : 1996 Standard Test Method for Density and Relative Density of Liquids by Digital Density Meter
ASTM D 4294 : 1998 Standard Test Method for Sulfur in Petroleum Products by Energy-Dispersive X-Ray Fluorescence Spectroscopy
ASTM D 2622 : 2010 Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry
ASTM D 1218 : 2012 : R2016 Standard Test Method for Refractive Index and Refractive Dispersion of Hydrocarbon Liquids
ASTM D 2502 : 2014 : R2019 : EDT 1 Standard Test Method for Estimation of Mean Relative Molecular Mass of Petroleum Oils from Viscosity Measurements
ASTM D 4294 : 2021 Standard Test Method for Sulfur in Petroleum and Petroleum Products by Energy Dispersive X-ray Fluorescence Spectrometry
ASTM D 2622 : 2021 Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry
ASTM D 1481 : 2012 Standard Test Method for Density and Relative Density (Specific Gravity) of Viscous Materials by Lipkin Bicapillary Pycnometer
ASTM D 2622 : 2007 Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry
ASTM D 2622 : 1994 Standard Test Method for Sulfur in Petroleum Products by X-Ray Spectrometry
ASTM D 1552 : 2008 Standard Test Method for Sulfur in Petroleum Products (High-Temperature Method)
ASTM D 2622 : 2005 Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry
ASTM D 2503 : 1992 : R2007 Standard Test Method for Relative Molecular Mass (Molecular Weight) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure
ASTM D 4052 : 2022 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D 4294 : 2003 Standard Test Method for Sulfur in Petroleum and Petroleum Products by Energy-Dispersive X-Ray Fluorescence Spectrometry
ASTM D 1218 : 1982 Standard Test Method for Refractive Index and Refractive Dispersion of Hydrocarbon Liquids
ASTM D 1218 : 2012 Standard Test Method for Refractive Index and Refractive Dispersion of Hydrocarbon Liquids
ASTM D 4294 : 2016 Standard Test Method for Sulfur in Petroleum and Petroleum Products by Energy Dispersive X-ray Fluorescence Spectrometry
ASTM D 1481 : 2002 : R2007 Standard Test Method for Density and Relative Density (Specific Gravity) of Viscous Materials by Lipkin Bicapillary Pycnometer
ASTM D 4052 : 2015 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D 2503 : 1992 : R1997 Standard Test Method for Relative Molecular Mass (Molecular Weight) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure
ASTM D 1552 : 2016 : R2021 Standard Test Method for Sulfur in Petroleum Products by High Temperature Combustion and Infrared (IR) Detection or Thermal Conductivity Detection (TCD)
ASTM D 1480 : 1993 : R1997 Standard Test Method for Density and Relative Density (Specific Gravity) of Viscous Materials by Bingham Pycnometer
ASTM D 1552 : 1983 Standard Test Method for Sulfur in Petroleum Products (High-Temperature Method)
ASTM D 2502 : 2004 : R2009 Standard Test Method for Estimation of Molecular Weight (Relative Molecular Mass) of Petroleum Oils From Viscosity Measurements
ASTM D 4052 : 2018 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D 2502 : 2014 : R2019 Standard Test Method for Estimation of Mean Relative Molecular Mass of Petroleum Oils from Viscosity Measurements
ASTM D 4294 : 1990 : R1998 : EDT 1 Standard Test Method for Sulfur in Petroleum Products by Energy-Dispersive X-Ray Fluorescence Spectroscopy
ASTM D 2622 : 2016 Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry
ASTM D 2502 : 1992 : R2002 Standard Test Method for Estimation of Molecular Weight (Relative Molecular Mass) of Petroleum Oils From Viscosity Measurements

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