1、 ENGINEERING STANDARDS Test Procedure SUPERCEDED EDS-T-7013 The Synthesis Method of Perspiration Solution This standard may be applied only for current projects. It is Superceded for all future projects and replaced by GMW14334. 89&t 76 Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program .Bd# GMW14334
2、) $4=F7 957F$ . Copyright 2011 General Motors Company All Rights Reserved July 2011 Originating Department: GM Korea Engineering Standards Page 1 of 2 Version : 6 1 Scope Note: Nothing in this standard supersedes applicable laws and regulations. Note: In the event of conflict between the Korean and
3、English language, the Korean language shall take precedence. 1.1 Purpose. This specification specifies methods of manufacturing the perspiration solution mainly composed of sodium chloride. 1.2 Applicability. For testing the perspiration resistance of alloys, elastomers, plastics, adhesives, etc. wh
4、ich, in service, come into contact with perspiration. The method of use of the synthetic solution shall be as given in the appropriate material specification, test method or test specification. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 Exter
5、nal Standards/Specifications. None 2.2 GM Standards/Specifications. EDS-T-7720 2.3 Additional References. None 3 Resources 3.1 Composition. 3.1.1 4.5 g Sodium Chloride: NaCl. 3.1.2 0.3 g Potassium Chloride: KCl. 3.1.3 0.3 g Sodium Sulphate: Na2SO4. 3.1.4 0.4 g Ammonium Chloride: NH4 Cl. 3.1.5 3.0 g
6、Lactic Acid (pure 90 % or more): CH3 CH(OH) COOH. 3.1.6 0.2 g Urea: N2N CO NH2. 3.1.7 1000 Distilled or deionised water. 1 P7 :0 : ., E:48 6&F !7$ :4-8! 9I8x $4=F 3L 6$ . :0 : F67t 7568 18 88x 7 , F6* 72T8p) F$ . 1.1 +95 . ., E:48t 70G!C* (Sodium Chloride)8x :02e.8p) F# 89&t 768 9P9-7 $4F7 9IF 8$ .
7、1.2 957 -88 . ., 9P9-8t =Fd 3 7 .887 $4F !E+ -1 , *+ &%8 4G 7 17%L# 768 9P97 957F$ . 2 4) E:4 / :0 : C-H +d%P 9I8 6# F 48 07 38%P E:48x 957F$ . 2.1 17 E:4 / . None 2.2 GM E:4 / . EDS-T-7720 2.3 dA E:4 / . None 3 4G 88 3.1 92e . 3.1.1 4.5 g Sodium Chloride: NaCl. 3.1.2 0.3 g Potassium Chloride: KCl.
8、3.1.3 0.3 g Sodium Sulphate: Na2SO4. 3.1.4 0.4 g Ammonium Chloride: NH4 Cl. 3.1.5 3.0 g Lactic Acid (3P$ 90 % 81 ): CH3 CH(OH) COOH. 3.1.6 0.2 g Urea: N2N CO NH2. 3.1.7 1000 :*3L . GM KOREA ENGINEERING STANDARDS EDS-T-7013 Copyright 2011 General Motors Company All Rights Reserved July 2011 Page 2 of
9、 2 Version : 6 3.1.8 The clauses 3.1.1 to 3.1.5 of the above reagents shall be highly pure. 4 Procedures 4.1 Conditions. 4.1.1 Test Conditions. Deviations from the requirements of this standard shall have been agreed upon. Such requirements shall be specified on component drawings, test certificates
10、, reports, etc. 4.2 Requirements. 4.2.1 pH (EDS-T-7720) of the Solution. approximately 2.5. 5 Data 6 Safety This standard may involve hazardous materials, operations, and equipment. This standard does not propose to address all the safety problems associated with its use. It is the responsibility of
11、 the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 7 Notes 7.1 Glossary. Not applicable. 7.2 Acronyms, Abbreviations, and Symbols. Not applicable. 8 Coding System This standard shall be referenced in
12、 other documents, drawings, etc., as follows: Test to EDS-T-7013 9 Release and Revisions This standard was originated in November 1978. It was first approved by Engineering Standard Committee in November 1978. It was first published in November 1978. 3.1.8 3.1.1 3.1.5F8 468t 3P$ 468x 17F$ . 4 4G 9) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 6 JUL 2011 Apply new Engineering Standard Template. Superceded (Polymer / Organic Material Lab Team) / 4 d3TE:4 64 957 . F9I957 =* (G)8*4G D4 )
