1、Designation: D4494 95 (Reapproved 2015)Standard Test Method forDetecting Residual Odor of Drycleaning GradePerchloroethylene1This standard is issued under the fixed designation D4494; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision,
2、 the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This test method covers the detection of a residual odorin drycleaning-grade perchloroethylene.1.2 The va
3、lues stated in SI units are to be regarded asstandard. No other units of measurement are included in thisstandard.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate s
4、afety and health practices and determine the applica-bility of regulatory limitations prior to use. Specific precau-tionary statements are given in Section 7.2. Referenced Documents2.1 ASTM Standards:2D3844 Guide for Labeling Chlorinated Hydrocarbon Sol-vent Containers (Withdrawn 2013)33. Summary of
5、 Test Method3.1 A swatch of conditioned cotton fabric is treated bysoaking in drycleaning perchloroethylene, then drained, dried,and steamed. The odor is compared with an untreated swatch.The treated swatch should be no different from the untreated.4. Significance and Use4.1 Normally clothes cleaned
6、 with perchloroethylene willhave a clean cloth odor. If a foreign odor is present, it may beobjectionable.5. Apparatus5.1 Two-Glass Beakers, 1L.5.2 Oven, forced convection model.6. Material6.1 De-sized and bleached cotton fabric weighing from 120to 135 g/m2(3.6 to 4.0 oz/yd2). The fabric shall be cl
7、ean, dry,and free from foreign odor.7. Safe Handling Precautions7.1 Handle perchloroethylene only in a well-ventilated hoodfor conducting the test. See Guide D3844 for the labelinformation.8. Procedure8.1 Condition a swatch, 300 by 300-mm (12 by 12-in.) size,of test fabric at 60 6 10 % relative humi
8、dity for at least 8 h.8.2 Soak the test swatch in a beaker with 100 mL ofperchloroethylene for 5 min.8.3 Remove it from the beaker and allow to drain and dry atroom temperature for 4 h.8.4 Dry the treated swatch in a fresh air oven at 60C(140F) for 30 min.8.5 Place the treated swatch in the steam va
9、por from boilingwater for 5 s and check the odor of the cloth.8.6 Compare the odor of the treated swatch with an un-treated control swatch, that was subjected to all steps of the testexcept 8.2 and 8.3.9. Report9.1 Report whether the treated sample cloth has a detectableforeign odor or no foreign od
10、or.10. Precision and Bias10.1 No statement is made about either the precision or thebias of Test Method D4494 for measuring residual odor sincethe result merely states whether there is conformance to thecriteria for success specified in the procedure.11. Keywords11.1 drycleaning; perchloroethylene;
11、residual odor1This test method is under the jurisdiction of ASTM Committee D26 onHalogenated Organic Solvents and Fire Extinguishing Agents and is the directresponsibility of Subcommittee D26.04 on Test Methods.Current edition approved June 1, 2015. Published June 2015. Originallyapproved in 1985. L
12、ast previous edition approved in 2010 as D4494 95 (2010).DOI: 10.1520/D4494-95R15.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary pag
13、e onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1ASTM International takes no position respecting the validity of any patent rights
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17、International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 95 (2015)2
