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ASTM D3235-97

(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 problems, 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
09-Nov-1997
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

Replaced By
ASTM D3235-02 - Standard Test Method for Solvent Extractables in Petroleum Waxes
Effective Date
10-Aug-2002

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ASTM D3235-97 - 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NOTICE: This standard has either been superseded and replaced by a new version or
withdrawn.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.
Designation: D 3235 – 97 An American National Standard
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Test Method for
1
Solvent Extractables in Petroleum Waxes
This standard is issued under the fixed designation D 3235; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope then filtered. The solvent extractables content is determined by
evaporating the solvent from the filtrate and weighing the
1.1 This test method covers the determination of solvent
residue.
extractables in petroleum waxes.
1.2 The values stated in acceptable metric units are to be
4. Significance and Use
regarded as the standard. The values in parentheses are for
4.1 The solvent extractables in a wax may have significant
information only.
effects on several of its properties such as strength, hardness,
1.3 This standard does not purport to address all of the
flexibility, scuff resistance, coefficient of friction, coefficient of
safety concerns, if any, associated with its use. It is the
expansion, melting point, and staining characteristics. Whether
responsibility of the user of this standard to establish appro-
these effects are desirable or undesirable depends on the
priate safety and health practices and determine the applica-
intended use of the wax.
bility of regulatory limitations prior to use.
5. Apparatus
2. Referenced Documents
5.1 Filter Stick and Assembly, consisting of a 10-mm
2.1 ASTM Standards:
2 diameter sintered glass filter stick of 10 to 15 μm maximum
D 740 Specification for Methyl Ethyl Ketone
2 pore diameter as determined by the method in the Appendix,
D 841 Specification for Nitration Grade Toluene
provided with an air pressure inlet tube and delivery nozzle. It
D 1078 Test Method for Distillation Range of Volatile
2 is provided with a ground-glass joint to fit a 25 by 170-mm test
Organic Liquids
tube. The dimensions for a suitable filtration assembly are
D 1218 Test Method for Refractive Index and Refractive
3 shown in Fig. 1.
Dispersion of Hydrocarbon Liquids
D 1364 Test Method for Water in Volatile Solvents (Fischer
NOTE 1—A metallic filter stick may be employed if desired. A filter
2
7
Reagent Titration Method) stick made of stainless steel and having a 12.7-mm (0.50-in.) disk of 10
to 15 nm maximum pore diameter, as determined by Test Method E 128,
D 1613 Test Method for Acidity in Volatile Solvents and
has been found to be satisfactory. The metallic apparatus is inserted into
Chemical Intermediates Used in Paint, Varnish, Lacquer
2 a 25 by 150-mm test tube and held in place by means of a cork.
and Related Products
4
5.2 Cooling Bath, consisting of an insulated box with
E 1 Specification for ASTM Thermometers
25.4-mm (1.00-in.) holes in the center to accommodate any
E 128 Test Method for Maximum Pore Diameter and Per-
5
desired number of test tubes. The bath may be filled with a
meability of Rigid Porous Filters for Laboratory Use
6
suitable medium such as kerosine, and may be cooled by
2.2 IP Standard:
circulating a refrigerant through coils, or by using solid carbon
Colour, Lovibond, IP 17, Method B
dioxide. A suitable cooling bath to accommodate three test
3. Summary of Test Method
tubes is shown in Fig. 2.
3.1 The sample is dissolved in a mixture consisting of 50 5.3 Dropper Pipet, dispensing device capable of delivering
0.5 6 0.05 g of molten wax.
volume % methyl ethyl ketone and 50 volume % toluene. The
solution is cooled to − 32°C (−25°F) to precipitate the wax, 5.4 Transfer Pipet, or equivalent volume dispensing device,
capable of delivering 15 6 0.06 mL.
5.5 Air Pressure Regulator, designed to supply air to the
1
This test method is under the jurisdiction of ASTM Committee D-2 on
filtration assembly (8.5) at sufficient pressure to give an even
Petroleum Products and Lubricantsand is the direct responsibility of Subcommittee
flow of filtrate. Either a conventional pressure-reducing valve
D02.10 on Properties of Petroleum Wax.
or a mercury bubbler-type regulator has been found satisfac-
Current edition approved Nov. 10, 1997. Published August 1998. Originally
published as D 3235 – 73. Last previous edition D 3235 – 93. tory. The latter type, illustrated in Fig. 3, consists of a 250-mL
2
Annual Book of ASTM Standards, Vol 06.04.
3
Annual Book of ASTM Standards, Vol 05.01.
4 7
Annual Book of ASTM Standards, Vol 14.03. A suitable metal filter stick with designated porosity G may be obtained from
5
Annual Book of ASTM Standards, Vol 14.02. the Pall Trinity Micro Corp., Route 281, Cortland, NY 1304
...

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