ASTM D2619-09(2014)
(Test Method)Standard Test Method for Hydrolytic Stability of Hydraulic Fluids (Beverage Bottle Method)
Standard Test Method for Hydrolytic Stability of Hydraulic Fluids (Beverage Bottle Method)
SIGNIFICANCE AND USE
4.1 This test method differentiates the relative stability of hydraulic fluids in the presence of water under the conditions of the test. Hydrolytically unstable hydraulic fluids form acidic and insoluble contaminants which can cause hydraulic system malfunctions due to corrosion, valve sticking, or change in viscosity of the fluid. The degree of correlation between this test method and service performance has not been fully determined.
SCOPE
1.1 This test method2 covers the determination of the hydrolytic stability of petroleum or synthetic-based hydraulic fluids.
Note 1: Water-based or water-emulsion fluids can be evaluated by this test method, but they are run “as is.” Additional water is not added to the 100-g sample. In these cases, the person requesting the test needs to let the test operator know that water is present.
1.2 The values stated in SI units are to be regarded as the standard. The English units given in parentheses are provided for information only.
1.3 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. Specific warning statements are given in 3.1, 6.1, 6.3, 6.9 and Annex A1.
General Information
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Designation: D2619 − 09 (Reapproved 2014)
Standard Test Method for
Hydrolytic Stability of Hydraulic Fluids (Beverage Bottle
1
Method)
This standard is issued under the fixed designation D2619; 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 The acid number change of the fluid and acidity of the water
2 layer are determined. (Warning—In addition to other
1.1 This test method covers the determination of the
precautions, because this test method involves the use of a
hydrolytic stability of petroleum or synthetic-based hydraulic
glass bottle that may contain approximately 200 kPa (2 atm) of
fluids.
air and water vapor at temperatures up to 93 °C, a full face
NOTE 1—Water-based or water-emulsion fluids can be evaluated by this
shield and heavy woven fabric gloves should be worn when
test method, but they are run “as is.”Additional water is not added to the
100 g sample. In these cases, the person requesting the test needs to let the
handling or working with the heated and sealed sample
test operator know that water is present.
container.)
1.2 The values stated in SI units are to be regarded as the
standard. The English units given in parentheses are provided 4. Significance and Use
for information only.
4.1 This test method differentiates the relative stability of
1.3 This standard does not purport to address all of the
hydraulic fluids in the presence of water under the conditions
safety concerns, if any, associated with its use. It is the of the test. Hydrolytically unstable hydraulic fluids form acidic
responsibility of the user of this standard to establish appro-
and insoluble contaminants which can cause hydraulic system
priate safety and health practices and determine the applica- malfunctions due to corrosion, valve sticking, or change in
bility of regulatory limitations prior to use. Specific warning
viscosity of the fluid. The degree of correlation between this
statements are given in 3.1, 6.1, 6.3, 6.9 and Annex A1. test method and service performance has not been fully
determined.
2. Referenced Documents
3
5. Apparatus
2.1 ASTM Standards:
D130 Test Method for Corrosiveness to Copper from Petro-
5.1 Air Oven, convection, adjusted to 93 °C 6 0.5 °C
4
leum Products by Copper Strip Test
(200 °F 6 1 °F).
D974 Test Method for Acid and Base Number by Color-
5
5.2 Pressure-Type Beverage Bottles, 200 mL (7 oz).
Indicator Titration
5.3 Capping Press, for bottles.
3. Summary of Test Method
5.4 Rotating Mechanism, for holding bottles and rotating
3.1 A copper test specimen and 75 g of test fluid plus 25 g
end over end at 5 r⁄min in oven.
of water (or 100 g of a water-containing fluid) are sealed in a
5.5 Büchner Funnel and Filter Flask.
pressure-type beverage bottle. The bottle is rotated, end for
5.6 Water Aspirator.
end,for48 hinanovenat93 °C(200 °F).Layersareseparated
and the weight change of the copper specimen is measured.
5.7 Typewriter Brush.
5.8 Separatory Funnel, 125 mL.
1
This test method is under the jurisdiction of ASTM Committee D02 on
5.9 Balance, sensitive to 0.2 mg.
Petroleum Products, Liquid Fuels, and Lubricantsand is the direct responsibility of
5.10 Caps, for sealing bottles.
Subcommittee D02.N0 on Hydraulic Fluids.
Current edition approved Oct. 1, 2014. Published November 2014. Originally
approved in 1967. Last previous edition approved in 2009 as D2619 – 09. DOI:
10.1520/D2619-09R14.
2 4
This test method is a modification of Federal Test Method Standard No. 791a, The sole source of supply of the apparatus known to the committee at this time
Method 3457 for Hydrolytic Stability. is Falex Corp. 1020 Airpark Dr., Sugar Grove, IL 60554. If you are aware of
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or alternative suppliers, please provide this information to ASTM International
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Headquarters.Your comments will receive careful consideration at a meeting of the
1
Standards volume information, refer to the standard’s Document Summary page on responsible technical committee, which you may attend.
5
the ASTM website. Bottles can be obtained from beverage distributors.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D2619 − 09 (2014)
so this step should be bypassed. Certain other fluids may emulsify with
5.11 Inert Seal, for cap gasket, 0.127 mm (0.005 in.) thick
water and not separate during this step. In either of these cases, no
fluorocarbon seal.
determination of w
...
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: D2619 − 09 D2619 − 09 (Reapproved 2014)
Standard Test Method for
Hydrolytic Stability of Hydraulic Fluids (Beverage Bottle
1
Method)
This standard is issued under the fixed designation D2619; 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
2
1.1 This test method covers the determination of the hydrolytic stability of petroleum or synthetic-based hydraulic fluids.
NOTE 1—Water-based or water-emulsion fluids can be evaluated by this test method, but they are run “as is.” Additional water is not added to the 100-g
sample. In these cases, the person requesting the test needs to let the test operator know that water is present.
1.2 The values stated in SI units are to be regarded as the standard. The English units given in parentheses are provided for
information only.
1.3 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. Specific warning statements are given in 3.1, 6.1, 6.3, 6.9 and Annex A1.
2. Referenced Documents
3
2.1 ASTM Standards:
D130 Test Method for Corrosiveness to Copper from Petroleum Products by Copper Strip Test
D974 Test Method for Acid and Base Number by Color-Indicator Titration
3. Summary of Test Method
3.1 A copper test specimen and 75 g of test fluid plus 25 g of water (or 100 g of a water-containing fluid) are sealed in a
pressure-type beverage bottle. The bottle is rotated, end for end, for 48 h in an oven at 93 °C (200 °F). Layers are separated and
the weight change of the copper specimen is measured. The acid number change of the fluid and acidity of the water layer are
determined. (Warning—In addition to other precautions, because this test method involves the use of a glass bottle that may
contain approximately 200 kPa (2 atm) of air and water vapor at temperatures up to 93 °C, a full face shield and heavy woven
fabric gloves should be worn when handling or working with the heated and sealed sample container.)
4. Significance and Use
4.1 This test method differentiates the relative stability of hydraulic fluids in the presence of water under the conditions of the
test. Hydrolytically unstable hydraulic fluids form acidic and insoluble contaminants which can cause hydraulic system
malfunctions due to corrosion, valve sticking, or change in viscosity of the fluid. The degree of correlation between this test method
and service performance has not been fully determined.
5. Apparatus
4
5.1 Air Oven, convection, adjusted to 93 6 0.5 °C (200 6 1 °F).
5
5.2 Pressure-Type Beverage Bottles, 200-mL (7-oz).
1
This test method is under the jurisdiction of ASTM Committee D02 on Petroleum Products Products, Liquid Fuels, and Lubricantsand is the direct responsibility of
Subcommittee D02.N0.08 on Thermal Stability.
Current edition approved Dec. 1, 2009Oct. 1, 2014. Published February 2010November 2014. Originally approved in 1967. Last previous edition approved in 20022009
ε1
as D2619–95(2002)D2619 – 09. . DOI: 10.1520/D2619-09.10.1520/D2619-09R14.
2
This test method is a modification of Federal Test Method Standard No. 791a, Method 3457 for Hydrolytic Stability.
3
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.
4
The sole source of supply of the apparatus known to the committee at this time is Falex Corp. 1020 Airpark Dr., Sugar Grove, IL 60554. If you are aware of alternative
suppliers, please provide this information to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical
1
committee, which you may attend.
5
Bottles can be obtained from beverage distributors.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D2619 − 09 (2014)
5.3 Capping Press, for bottles.
5.4 Rotating Mechanism, for holding bottles and rotating end over end at 5 r/min in oven.
5.5 Büchner Funnel and Filter Flask.
5.6 Water
...
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