1、 ENGINEERING STANDARDS Test Procedure LIMITED USE EDS-T-7707 Standard Test Method for Determining Oxidation Stability of Petroleum Products Do Not Use on New Program; No Replacement. 2Q8T9PE8 1G6|9I$ 4G - Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program 72P# 957%L: 6#$ . Copyright 2011 General Motor
2、s Company All Rights Reserved August 2011 Originating Department: GM Korea Engineering Standards Page 1 of 7 Version : 4 1 Scope Note: Nothing in this standard supersedes applicable laws and regulations. Note: In the event of conflict between the Korean and English language, the Korean language shal
3、l take precedence. 1.1 Purpose. This standard specifies the test method for oxidation stability of gasoline, turbine oils, lubricating greases for internal conversion engine and similar petroleum products. 1.2 Applicability. This standard shall apply to the evaluation of the oxidation stability of p
4、etroleum products by comparison with kinematic viscosity after oxidized at high temperature with the catalysts of iron and copper, and oxygen. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2.2 GM Standards
5、/Specifications. None 2.3 Additional References. None 3 Resources 3.1 Equipment. 3.1.1 Heating Bath. Thermostatically controlled, capable of maintaining the oil sample in the oxidation cell at a temperature of (950.2) E , large enough to hold the desired number of oxidation cells immersed in the hea
6、ting bath to a depth of (39010) mm and in the heating liquid itself to a depth (35510) mm, and fitted with a liquid surface leveler, a suitable stirring device and an electric heater. 1 P7 :0 : ., E:48 6 , 8 ?Ud8 -H; -C 12 ?848 6|;0 -H;8x A ) 1 GpF68p) =G 3L% ,p) .H G-$ . 4.1.3.3 1Gd* 9G 82F8)Fx 67
7、D# 6x2lB8p) 2l=F$ . 4.1.3.4 17F 4G 48t G)A D# ?987 !F8A) 2l=F$ . 4.1.3.5 C(95,p8 IF .=%P 7 6 50 E) H 2Q%P 7018x 17F7 1G,p8x 9P 4A$ . 4.1.4 4* =x?48 2l= . 4.1.4.1 4* =x8848 6|;0 -H;8x 9D7 !F8A D# G)A8p) 9P8 G !8t 1G,p8x 1,1,1 - C*A)7A8p) $4 2l=F$ . 4.1.4.2 $4 79P (G)A D# !F8A ) 2l= G 9 )d D# :2* 17F7
8、 9F$ . 4.2 8-L 9 . 4.2.1 4G 9 . .,E:48p).Bd-6!#7 1F8t $-188 F8F6 F+ , 4)$+ , 4G 2e952P , .(2P7 8=G , =x?4 8 7$* 32 E4 “L: 6$) 8 d7 .(!$ . 4.3.8 70G /x$4 D# 4* ,h48p) 12 ?840 12 )=88x 7$F$ . 4.3.9 12 8T)m8t (30.1) L/h) 99d* 7)X 60 ml8 :*3L* “W#$ . 4.3.10 8& 458x 4G P4 d88p) d)F 12 8T(8x 18 2G 9D -C 9
9、9F$ . )()( )( ABCD CEAH u GM KOREA ENGINEERING STANDARDS EDS-T-7707 Copyright 2011 General Motors Company All Rights Reserved August 2011 Page 7 of 7 Version : 4 Where, H: Test hour until predetermined total acid number is reached (hours). A: Number of test hours when total acid number was last meas
10、ured below the predetermined value (hours). B: Number of test hours when total acid number was above the predetermined value (hours). C: Total acid number at A hours (mgKOH/g). D: Total acid number at B hours (mgKOH/g). E: Predetermined value of total acid number (mgKOH/g). 6 Safety This standard ma
11、y 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 the user of this standard to establish appropriate safety and health practices and determine the applicability of regulator
12、y 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 other documents, drawings, etc., as follows: Test to EDS-T-7707 9 Release and Revisions This standard was originated in Jul
13、y 1993. It was first approved by Engineering Standard Committee in July 1993. It was first published in July 1993. 7 d2P , H: -,* 9IF 98147 8* &: 4G 48 (hours) A: 98144 -,* 9IF F.($ ! 48 47 F8x 68t &8 4G 48 (hours) B: 98144 -,* 9IF F8x “L 48 47 F8x 68t &8 4G 48 (hours) C: A8 4G 487 9814 ?U9IF (mgKOH
14、/g). D: B8 4G 487 9814 ?U9IF (mgKOH/g). E: -,* 9IF 98148 F (mgKOH/g). 6 6|987 $4F 7 9 ., E:48t 88G ,p: , 86 , 8/x &%8x E FF 3L 8$ . ., E:48t 87 $4F 170 4)%P +& 6|98 ,l9P8 F8x 9P4F:# 6#$ . &d(2P 17 987 95FF 6|980 I 1B* 9DF , -18 9PF 728 957 7 .* 9IF# 8t ., E:4 1788 =y8 1F8$ . 7 768 9I8 7.1 98,l 76 .
15、F$-1F 68 . 7.2 66 -C dGl . F$-1F 68 . 8 Ed - $* ,l2P! $+ &%72P ., E:48 87%T &# $80 M8 EdF$ . Test to EDS-T-7707 9 9P9I -C P9I 8)Y ., E:48t 1993 “x 7 87 E:4 -Gl4 .7 %L6 , d3TE:41,h7 8F 1993“x 787 38%L6$ . ., E:48t 1993“x 787 ) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 4 AUG 2011 Apply new Engineering Standard Template. Limited use with no replacement (Polymer / Organic Material Lab Team) / 4 d3TE:4 64 957 . F9I957 ($4=E:4 68 ) =* (G)8*4G D4 )
