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ASTM D3235-05

(Test Method)

Standard Test Method for Solvent Extractables in Petroleum Waxes

Standard Test Method for Solvent Extractables in Petroleum Waxes

SCOPE
1.1 This test method covers the determination of solvent extractables in petroleum waxes.
1.2 The values stated in acceptable metric units are to be regarded as the standard. The values in parentheses are 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.

General Information

Status
Historical
Publication Date
31-Oct-2005
ICS
75.140 - Waxes, bituminous materials and other petroleum products
Technical Committee
D02 - Petroleum Products, Liquid Fuels, and Lubricants
Drafting Committee
D02.10.0A - Physical/Chemical Properties
Current Stage
Ref Project

Relations

Replaces
ASTM D3235-04 - Standard Test Method for Solvent Extractables in Petroleum Waxes
Effective Date
01-Nov-2005
Replaced By
ASTM D3235-06 - Standard Test Method for Solvent Extractables in Petroleum Waxes
Effective Date
01-Nov-2006

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ASTM D3235-05 - Standard Test Method for Solvent Extractables in Petroleum WaxesASTM D3235-05 - Standard Test Method for Solvent Extractables in Petroleum Waxes
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ASTM D3235-05 - Standard Test Method for Solvent Extractables in Petroleum Waxes
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn. Contact ASTM
International (www.astm.org) for the latest information.
An American National Standard
Designation:D3235–05
Standard Test Method for
1
Solvent Extractables in Petroleum Waxes
This standard is issued under the fixed designation D3235; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope* these effects are desirable or undesirable depends on the
intended use of the wax.
1.1 This test method covers the determination of solvent
extractables in petroleum waxes.
5. Apparatus
1.2 The values stated in SI units are to be regarded as the
5.1 Filter Stick and Assembly, consisting of a 10-mm
standard. The values given in parentheses are for information
diameter sintered glass filter stick of 10 to 15 µm maximum
only.
pore diameter as determined by the method in Appendix X1,
1.3 This standard does not purport to address all of the
provided with an air pressure inlet tube and delivery nozzle. It
safety concerns, if any, associated with its use. It is the
isprovidedwithaground-glassjointtofita25by170-mmtest
responsibility of the user of this standard to establish appro-
tube. The dimensions for a suitable filtration assembly are
priate safety and health practices and determine the applica-
shown in Fig. 1.
bility of regulatory limitations prior to use.
NOTE 1—A metallic filter stick may be employed if desired. A filter
2. Referenced Documents
3
stick made of stainless steel and having a 12.7-mm (0.50-in.) disk of 10
2
to 15 nm maximum pore diameter, as determined by Test Method E128,
2.1 ASTM Standards:
has been found to be satisfactory. The metallic apparatus is inserted into
E1 Specification forASTM Liquid-in-GlassThermometers
a 25 by 150-mm test tube and held in place by means of a cork.
E128 Test Method for Maximum Pore Diameter and Per-
meability of Rigid Porous Filters for Laboratory Use 5.2 Cooling Bath, consisting of an insulated box with 30 6
5-mm (1.2 6 0.2-in.) holes in the center to accommodate any
3. Summary of Test Method
desired number of test tubes. The bath may be filled with a
3.1 The sample is dissolved in a mixture consisting of 50 suitable medium such as kerosine, and may be cooled by
volume% methyl ethyl ketone and 50 volume% toluene. The circulatingarefrigerantthroughcoils,orbyusingsolidcarbon
solution is cooled to −32°C (−25°F) to precipitate the wax, dioxide. A suitable cooling bath to accommodate three test
thenfiltered.Thesolventextractablescontentisdeterminedby tubes is shown in Fig. 2.
evaporating the solvent from the filtrate and weighing the 5.3 Dropper Pipet, dispensing device capable of delivering
residue. 0.5 6 0.05 g of molten wax.
5.4 Transfer Pipet, or equivalent volume dispensing device,
4. Significance and Use
capable of delivering 15 6 0.06 mL.
4.1 The solvent extractables in a wax may have significant
5.5 Air Pressure Regulator, designed to supply air to the
effects on several of its properties such as strength, hardness, filtration assembly (8.5) at sufficient pressure to give an even
flexibility,scuffresistance,coefficientoffriction,coefficientof
flow of filtrate. Either a conventional pressure-reducing valve
expansion,meltingpoint,andstainingcharacteristics.Whether or a mercury bubbler-type regulator has been found satisfac-
tory.The latter type, illustrated in Fig. 3, consists of a 250-mL
glass cylinder and a T-tube held in the cylinder by means of a
1
This test method is under the jurisdiction of ASTM Committee D02 on
PetroleumProductsandLubricantsandisthedirectresponsibilityofSubcommittee
3
D02.10 on Properties of Petroleum Wax. The sole source of supply of a suitable metal filter stick with designated
Current edition approved Nov. 1, 2005. Published November 2005. Originally porosity G known to the committee at this time is the Pall Trinity Micro Corp.,
approved in 1973. Last previous edition approved in 2004 as D3235–04. Route281,Cortland,NY13045.AlistofUnitedKingdomsupplierscanbeobtained
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or from Energy Institute, 61 New Cavendish St., London, W1G7AR, United King-
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM dom. If you are aware of alternative suppliers, please provide this information to
Standards volume information, refer to the standard’s Document Summary page on ASTM International Headquarters. Your comments will receive careful consider-
1
the ASTM website. ation at a meeting of the responsible technical committee, which you may attend.
*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

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