Standard Test Method for Stability of Perchloroethylene with Copper

SCOPE
1.1 This test method covers the evaluation of the corrosiveness to copper metal by perchloroethylene.  
1.2 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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Publication Date
31-Dec-1999
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ASTM D3316-96(2000) - Standard Test Method for Stability of Perchloroethylene with Copper
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D3316–96 (Reapproved 2000)
Standard Test Method for
Stability of Perchloroethylene with Copper
This standard is issued under the fixed designation D 3316; 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 5.9 Analytical Balance.
1.1 This test method covers the evaluation of the corrosive-
6. Reagents and Materials
ness to copper metal by perchloroethylene.
6.1 Purity of Reagents—Reagent grade chemicals shall be
1.2 This standard does not purport to address all of the
used in all tests. Unless otherwise indicated, it is intended that
safety concerns, if any, associated with its use. It is the
all reagents shall conform to the specifications of the Commit-
responsibility of the user of this standard to establish appro-
tee onAnalytical Reagents of theAmerican Chemical Society,
priate safety and health practices and determine the applica-
where such specifications are available. Other grades may be
bility of regulatory limitations prior to use.
used, provided it is first ascertained that the reagent is of
2. Referenced Documents sufficiently high purity to permit its use without lessening the
accuracy of the determination.
2.1 ASTM Standards:
6.2 Purity of Water—Unless otherwise indicated, references
E 200 Practice for Preparation, Standardization, and Stor-
to water shall be understood to mean distilled water or water of
age of Standard and Reagent Solutions for Chemical
equal purity.
Analysis
6.3 Acetone, practical grade.
3. Summary of Test Method
6.4 Copper, electrolytic foil, 0.05 mm thick. Cut three
copper strips, 20 by 75 mm. Immerse the strips in concentrated
3.1 Clean copper strips are subjected to the action of liquid
HCl until the surface is bright and free of tarnish. Scribe
and vapor phases of boiling perchloroethylene for 72 h in the
consecutive identification numbers on the strips. Rinse thor-
presence of light. Weight loss of copper strips and acid
oughly in running water and dry with a towel. Weigh the strips
formation are determined at the end of the test period.
to the nearest 0.1 mg on an analytical balance.
4. Significance and Use
6.5 Hydrochloric Acid (sp gr 1.19)—Concentrated hydro-
chloric acid (HCl). Handle the concentrated HCl solution as
4.1 This test method is to be used as a guide in selecting or
indicated in the supplier’s direction.
eliminating certain grades of perchloroethylene used for dry-
6.6 Sodium Hydroxide, Standard Solution (0.01 N 6
cleaning fabrics or degreasing metal parts.
0.001)—Dissolve0.4 60.04gofanhydroussodiumhydroxide
5. Apparatus
(NaOH) in 1 L of water and standardize in accordance with
Practice E 200.
5.1 Flask, 300-mL, 24/40 standard-taper joint.
6.7 Phenolphthalein Indicator—Dissolve5gof phenol-
5.2 Soxhlet Extractor, 30-mm inside diameter, 24/40
phthalein in 500 mL of 95 % ethanol, dilute to 1 L with
standard-taper bottom joint, 34/45 standard-taper upper joint.
distilled water, and mix thoroughly.
5.3 Allihn Condenser, bulb type, 34/45 standard-taper bot-
tom joint.
7. Procedure
5.4 Bottle, wide-mouth, 8 oz.
7.1 Clean the flask and Soxhlet extractor with soap and
5.5 Funnel, 8-mm outside diameter stem, 35-mm diameter
water. Should any residue be present, clean thoroughly with
opening.
acid and rinse with water. Flush out the condenser with water.
5.6 Heater, variable control.
Rinse the flask, Soxhlet, and condenser with acetone and dry
5.7 Light Bulb, 100 W.
by means of a stream of filtered air.
5.8 Beaker, 400 mL.
1 3
This test method is under the jurisdiction of ASTM Committee D26 on Reagent Chemicals, American Chemical Society Specifications, American
Halogenated Organic Solvents and Fire Extinguishing Agents and is the direct Chemical Society, Washington, DC. For suggestions on the testing of reagents not
responsibility o
...

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