ASTM D7545-13
(Test Method)Standard Test Method for Oxidation Stability of Middle Distillate Fuels—Rapid Small Scale Oxidation Test (RSSOT)
Standard Test Method for Oxidation Stability of Middle Distillate Fuels—Rapid Small Scale Oxidation Test (RSSOT)
SIGNIFICANCE AND USE
5.1 The induction period may be used as an indication of the oxidation and storage stability of middle distillate fuel.
5.2 Compared to some other oxidation and storage stability test methods, this method uses a small sample and gives a result in a short time period.
SCOPE
1.1 This laboratory test method covers a quantitative determination of the stability of middle distillate fuels such as diesel fuels and heating oils, with up to 100% biodiesel, under accelerated oxidation conditions, by an automatic instrument.
1.2 This test method is designed for products complying with Specification D975 on Diesel Fuel, Grades No. 1D and 2D; Specification D396 on Burner Fuel, Grades No. 1 and No. 2; Specification D6751 on Biodiesel, B100, and Specification D7467 on Diesel Fuel Oil, B6 to B20.
1.3 This test method measures the induction period, under specified conditions, which can be used as an indication of the oxidation and storage stability of middle distillate fuels.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.5 This 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 and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: D7545 − 13
StandardTest Method for
Oxidation Stability of Middle Distillate Fuels—Rapid Small
1
Scale Oxidation Test (RSSOT)
This standard is issued under the fixed designation D7545; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* for Middle Distillate Fuels
D7467Specification for Diesel Fuel Oil, Biodiesel Blend
1.1 This laboratory test method covers a quantitative deter-
(B6 to B20)
minationofthestabilityofmiddledistillatefuelssuchasdiesel
2.2 Other Standards:
fuels and heating oils, with up to 100% biodiesel, under
CEN/TR 16366:2012Liquid Petroleum Products—Middle
accelerated oxidation conditions, by an automatic instrument.
DistillatesandFattyAcidMethylEster(FAME)Fuelsand
1.2 This test method is designed for products complying
Blends—Round Robin Report on Applicability of Rapid
with Specification D975 on Diesel Fuel, Grades No. 1D and 3
Small Scale Oxidation Test Method
2D; Specification D396 on Burner Fuel, Grades No. 1 and No.
EN590AutomotiveFuels—Diesel—RequirementsandTest
2; Specification D6751 on Biodiesel, B100, and Specification 3
Methods
D7467 on Diesel Fuel Oil, B6 to B20.
EN 16091Liquid Petroleum Products—Middle Distillates
1.3 This test method measures the induction period, under and FattyAcid Methyl Ester (FAME) Fuels and Blends—
specified conditions, which can be used as an indication of the
Determination of Oxidation Stability by Rapid Small
3
oxidation and storage stability of middle distillate fuels. Scale Oxidation Method
ISO 4259Petroleum Products—Determination andApplica-
1.4 The values stated in SI units are to be regarded as
4
tion of Precision Data in Relation to Methods of Test
standard. No other units of measurement are included in this
standard.
3. Terminology
1.5 This standard does not purport to address all of the
3.1 Definitions of Terms Specific to This Standard:
safety concerns, if any, associated with its use. It is the
3.1.1 break point, n—pressure in the test apparatus which is
responsibility of the user of this standard to establish appro-
10 % below the maximum pressure of the actual test run.
priate safety and health practices and determine the applica-
3.1.2 induction period, n—timeelapsedbetweenstartingthe
bility of regulatory limitations prior to use.
heating procedure of the sample vessel and the break point,
measured in minutes.
2. Referenced Documents
2
2.1 ASTM Standards:
4. Summary of Test Method
D396Specification for Fuel Oils
4.1 A 5mL sample is introduced into a pressure vessel
D975Specification for Diesel Fuel Oils
which is then charged with oxygen to 700 kPa at ambient
D4057Practice for Manual Sampling of Petroleum and
temperature. The test is initiated by starting the heater and
Petroleum Products
heating the pressure vessel to a temperature of 140°C.
D4177Practice for Automatic Sampling of Petroleum and
Petroleum Products 4.2 The pressure is recorded continuously until the break-
D6751Specification for Biodiesel Fuel Blend Stock (B100) pointisreached.Alternatively,thetestmaybeterminatedwhen
a minimum specification requirement is reached.
1 5. Significance and Use
This test method is under the jurisdiction of ASTM Committee D02 on
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of
5.1 Theinductionperiodmaybeusedasanindicationofthe
Subcommittee D02.14 on Stability and Cleanliness of Liquid Fuels.
oxidation and storage stability of middle distillate fuel.
Current edition approved Oct. 1, 2013. Published October 2013. Originally
approved in 2009. Last previous edition approved in 2009 as D7545–09. DOI:
10.1520/D7545-13.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from European Committee for Standardization (CEN), Avenue
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Marnix 17, B-1000, Brussels, Belgium, http://www.cen.eu.
4
Standards volume information, refer to the standard’s Document Summary page on Available from International Organization for Standardization (ISO), 1, ch. de
the ASTM website. la Voie-Creuse, CP 56, CH-1211 Geneva 20, Switzerland, http://www.iso.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D7545 − 13
5.2 Compared to some other oxidation and storage stability 7.5 Temperature Calibration Fluid—Stablemiddledistillate
test methods, this method uses a small sample and gives a liquidwithaflashpointabove+60°Candaboilingpointabov
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D7545 − 09 D7545 − 13
Standard Test Method for
Oxidation Stability of Middle Distillate Fuels—Rapid Small
1
Scale Oxidation Test (RSSOT)
This standard is issued under the fixed designation D7545; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope Scope*
1.1 This laboratory test method covers a quantitative determination of the stability of middle distillate fuels such as diesel fuels
and heating oils, with up to 100% biodiesel, under accelerated oxidation conditions, by an automatic instrument.
1.2 This test method is designed for products complying with Specification D975 on Diesel Fuel, Grades No. 1D and 2D;
Specification D396 on Burner Fuel, Grades No. 1 and No. 2; Specification D6751 on Biodiesel, B100, and Specification D7467
on Diesel Fuel Oil, B6 to B20.
1.3 This test method measures the induction period, under specified conditions, which can be used as an indication of the
oxidation and storage stability of middle distillate fuels.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.5 This 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 and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
D396 Specification for Fuel Oils
D975 Specification for Diesel Fuel Oils
D4057 Practice for Manual Sampling of Petroleum and Petroleum Products
D4177 Practice for Automatic Sampling of Petroleum and Petroleum Products
D6751 Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels
D7467 Specification for Diesel Fuel Oil, Biodiesel Blend (B6 to B20)
2.2 Other Standards:
CEN/TR 16366:2012 Liquid Petroleum Products—Middle Distillates and Fatty Acid Methyl Ester (FAME) Fuels and
3
Blends—Round Robin Report on Applicability of Rapid Small Scale Oxidation Test Method
3
EN 590 Automotive Fuels—Diesel—Requirements and Test Methods
EN 16091 Liquid Petroleum Products—Middle Distillates and Fatty Acid Methyl Ester (FAME) Fuels and Blends—
3
Determination of Oxidation Stability by Rapid Small Scale Oxidation Method
4
ISO 4259 Petroleum Products—Determination and Application of Precision Data in Relation to Methods of Test
3. Terminology
3.1 Definitions of Terms Specific to This Standard:
3.1.1 break point, n—pressure in the test apparatus which is 10 % below the maximum pressure of the actual test run.
3.1.2 induction period, n—time elapsed between starting the heating procedure of the sample vessel and the break point,
measured in minutes.
1
This test method is under the jurisdiction of ASTM Committee D02 on Petroleum Products Products, Liquid Fuels, and Lubricants and is the direct responsibility of
Subcommittee D02.14 on Stability and Cleanliness of Liquid Fuels.
Current edition approved July 1, 2009Oct. 1, 2013. Published August 2009October 2013. Originally approved in 2009. Last previous edition approved in 2009 as
D7545 – 09. DOI: 10.1520/D7545-09.10.1520/D7545-13.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from European Committee for Standardization (CEN), Avenue Marnix 17, B-1000, Brussels, Belgium, http://www.cen.eu.
4
Available from International Organization for Standardization (ISO), 1, ch. de la Voie-Creuse, CP 56, CH-1211 Geneva 20, Switzerland, http://www.iso.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D7545 − 13
4. Summary of Test Method
4.1 A5 mLA 5 mL sample is introduced into a pressure vessel which is then charged with oxygen to 700 kPa at ambient
temperature. The test is initiated by starting the heater and heating the pressure vessel to a temperature of 140°C.
4.2 The pressure is recorded continuously until the breakpoint is reached. Alternatively, the test may be terminated when a
minimum
...
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