ASTM D255-92
(Test Method)Standard Method for Steam Distillation of Bituminous Protective Coatings (Withdrawn 2000)
Standard Method for Steam Distillation of Bituminous Protective Coatings (Withdrawn 2000)
SCOPE
1.1 This is a general method for the separation by steam distillation and the recovery of solvent and base from bituminous mixtures.
1.2 The following safety hazards caveat pertains only to the test methods described in this specification. 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
Standards Content (Sample)
Designation: D 255 – 92
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 Method for
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Steam Distillation of Bituminous Protective Coatings
This standard is issued under the fixed designation D 255; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 3.3 Source of Heat for the bath, such as a gas burner,
electric hot plate, or the equivalent. An electric mantle type
1.1 This is a general method for the separation by steam
heater, equipped with a variable resistance transformer of
distillation and the recovery of solvent and base from bitumi-
suitable size and heat capacity, is a suitable replacement for the
nous mixtures.
bath and heat source.
1.2 The following safety hazards caveat pertains only to the
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3.4 Distilling Flask, 1000-cm , heat-resistant glass, with a
test methods described in this specification. This standard does
not purport to address all of the safety concerns, if any, short ring neck and round bottom. It shall be fitted with a
three-hole rubber stopper, a steam delivery tube that will reach
associated with its use. It is the responsibility of the user of this
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standard to establish appropriate safety and health practices to within ⁄8 6 ⁄8 in. (9.5 6 4.7 mm) of the bottom of the flask
and determine the applicability of regulatory limitations prior and project from the top to a convenient distance for
to use. connection to the generator, a vapor outlet tube extending from
beneath the rubber stopper to a point sufficiently above the
2. Referenced Documents
distilling flask to permit convenient connection to the
condenser, and a thermometer. The steam tubing shall be not
2.1 ASTM Standards:
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less than 2 nor more than 4 mm in internal diameter, and the
D 140 Practice for Sampling Bituminous Materials
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vapor outlet tube shall be not less than 5 mm in internal
E 1 Specification for ASTM Thermometers
diameter.
3. Apparatus
3.5 Thermometer, ASTM Low Distillation, having a range
of − 2 to + 300°C (30 to 580°F), as specified, and conforming
3.1 Steam Generator, made of either metal or glass, with a
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to the requirements for thermometer 7C or 7F, respectively, as
capacity of approximately 2 gal (7600 cm ), suitable for
prescribed in Specification E 1.
continued use in the production of steam. If of glass, it shall be
fitted with two outlets having suitable connections for rubber
3.6 Condenser—A glass-jacketed condenser. The following
tubing. In the case of a metal generator, a large opening for
dimensions are recommended:
filling and a water gage shall be additional parts of the
Length of jacket, excluding the necks 250 6 5mm
apparatus. The generator shall be supplied with suitable pinch- Length of condenser tube 400 6 25 mm
Outside diameter of condenser tube proper 12.5 6 0.5 mm
cocks or valves so that steam may be blown off to the
Outside diameter of expanded end of tube 23 6 1mm
atmosphere until the test is ready.
Length of expanded end of tube 75 6 1mm
NOTE 1—The following conversion factors are given for volumetric
3.7 Adapter—A heavy-wall (1 mm) glass adapter, with
glassware graduated in litres:
reinforced top, having an angle of approximately 105°. The
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1L 5 1dm or 1000 cm (1) inside diameter at the large end shall be approximately 18 mm
3 and at the small end, not less than 5 mm. The lower surface of
1mL 5 1cm
the adapter shall be on a smooth descending curve from the
3.2 Bath, made of metal and having sufficient capacity to
larger end to the smaller. The inside line of the outlet end shall
permit immersion of the distilling flask to a depth of not less
be vertical and the outlet shall be cut or ground (not fire-
than 4 in. (101.6 mm).
polished) at an angle of 45 6 5° to the inside line.
3.8 Receiver—Graduated cylinders of uniform diameter,
with a pressed or molded base and a lipped top. The over-all
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This method is under the jurisdiction of ASTM Committee D-8 on Roofing,
height shall be 10 6 0.250 in. (254 6 6.35 mm). The cylinder
Waterproofing, and Bituminous Materials and is the direct responsibility of
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shall be graduated in single millilitres to contain 100 cm , and
Subcommittee D08.05 on Solvent-Bearing Bituminous Compounds for Roofing and
Waterproofing. the graduated portion shall be 7.5 6 0.500 in. (190.5 6 12.70
Current edition approved April 15, 1992. Published June 1992. Originally
mm) in length.
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published as E 255 – 26. Last previous edition D 255 – 70(82) .
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3.9 Separatory Funnel—A separatory funnel having a
Annual Book of ASTM Standards, Vol 04.03.
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Annual Book of ASTM Standards, Vol 14.01. capacity of not less than 500 cm .
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