1、 ENGINEERING STANDARDS Test Procedure LIMITED USE EDS-T-7708 Standard Test Method for Distillation of Petroleum Products Do Not Use on New Program; No Replacement. 2Q8T9PE8 :* 4G - Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program 72P# 957%L: 6#$ . Copyright 2011 General Motors Company All Rights Res
2、erved August 2011 Originating Department: GM Korea Engineering Standards Page 1 of 6 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 shall take precedence. 1.1 P
3、urpose. This standard specifies the test method for distillation of gasoline, fuel oils, light oils, and similar petroleum products. 1.2 Applicability. This standard shall apply to the measurement of boiling points such as initial boiling point, final boiling point and decomposition point. 2 Referen
4、ces Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. ASTM E 133 DIN 51751 KS M 2031 2.2 GM Standards/Specifications. None 2.3 Additional References. None 3 Resources 3.1 Equipment. 3.1.1 Gas Reversible Distillation Apparatus.
5、See Figure 1. 3.1.2 Electricity Reversible Distillation Apparatus. See Figure 2. 3.1.3 Flask. See Figure 3. 3.1.4 Condenser. 3.1.4.1 A brass tube of (5602) mm in length, (14.35) mm in outside diameter and 0.8 ) 0.9 mm in thickness. 1 P7 :0 : ., E:48 6&F !7$ :4-8! 9I8x $4=F 3L 6$ . :0 : F67t 7568 18
6、88x 7 , F6* 72T8p) F$ . 1.1 +95 . ., E:48t 42* , 7$*8T , 8T -C 87t 8T17t 2Q8T9PE8 :* 4G -7 $4F7 9IF 8$ . 1.2 957 -88 . 2Q8T9PE8 :*4G 8x BF ( &%8 !#9D ?U9I7 $4F7 957F$ . 2 4) E:4 / :0 : C-H +d%P 9I8 6# F 48 07 38%P E:48x 957F$ . 2.1 17 E:4 / . ASTM E 133 DIN 51751 KS M 2031 2.2 GM E:4 / . None 2.3 dA
7、 E:4 / . None 3 4G 88 3.1 4G 8/x . 3.1.1 43 47!95 :* 8? . ,* 1 =l9 . 3.1.2 98d 47!95 :*8? . ,* 2 =l9 . 3.1.3 F(3A . ,* 3 =l9 . 3.1.4 !5d . 3.1.4.1 l8 (5602) mm, -H:* (14.35) mm, % 0.8 0.9 mm8 G% 4 . GM KOREA ENGINEERING STANDARDS EDS-T-7708 Copyright 2011 General Motors Company All Rights Reserved A
8、ugust 2011 Page 2 of 6 Version : 4 3.1.4.2 The condenser is about 395 mm in length and the entire part of condenser tube except about 50 mm of top end and about 115 mm of bottom end shall be immersed into the cold bath. 3.1.4.3 At this time, the outside top end of the air bath shall be attached at 7
9、5 so that it is in line with the vertical line. 3.1.5 Cold Water Bath. Volume of more than 5.6 liters. 3.1.6 Windshield Steel Plate of about 0.7 mm and heat resistant glass plate of 70 mm in diameter, through which the flask is visible. 3.1.7 Electric Heater, Plate Stand and Hard Asbestos Plate. 3.1
10、.8 Standard Thermometer for high distillation. 3.1.9 Mass Cylinder of 100 ml (with scale divided into 1 ml). 4 Procedures 4.1 Preparation. 4.1.1 Fill the cold water bath with noncombustible cooling agents (ice cube, sodium water, ethylene glycol etc.) 4.1.2 Mount the mess cylinder at the end of cond
11、enser tube. 4.1.3 Pour sample of 100 ml into the flask and mount the thermometer with using cork cover. 4.1.4 In case of a thermometer, the bulb is centered in the neck and the lower end of the capillary is level with the highest point on the bottom of the inner wall of the vapor tube. 4.1.5 Adjust
12、the flask in a vertical position and so that the vapor tube extends into the condenser tube for a distance of 25 to 50 mm. 4.2 Conditions. 4.2.1 Test Conditions. Deviations from the requirements of this standard shall have been agreed upon. Such requirements shall be specified on component drawings,
13、 test certificates, reports, etc. 4.3 Instructions. 4.3.1 Apply heat to the distillation flask. The heating at this stage shall be so regulated that the time interval between the first application of heat and the initial boiling point shall be within 5 ) 15 minutes. 4.3.2 After observing the initial
14、 boiling point, continue to regulate the heating so that the uniform average rate of condensation is 4 to 5 ml per minute. 4.3.3 Record the temperature and volume of condensation. 3.1.4.2 !54 l8# 6 395 mm) 88! 6 50 mm7t F$ 6 115 mm* 9P7F 48 98=4 !5 :EB 7 ?95%P 9PE . 3.1.4.3 8& 88!8 :EB -H .8t 3L:2T0
15、 :2T8 %L$) 758 5$) .8$ . 3.1.5 !5:EB . .Fp 5.6 L 81 . 3.1.6 6 0.7 mm8 -H(*8 IDD0 F(3A * .0 3L 8# :* 70 mm8 !7( 8T*DD . 3.1.7 987(d , -O?DD0 : 2Q+DD . 3.1.8 :*7 E:4 7$ . 3.1.9 100 ml8 +34*$ (# 2$* 4 5 ml/min) 89IF 47(F$ . 4.3.3 8T7$ -C 8T(8x d)F$ . GM KOREA ENGINEERING STANDARDS EDS-T-7708 Copyright
16、2011 General Motors Company All Rights Reserved August 2011 Page 3 of 6 Version : 4 4.3.4 If 370 E or a decomposition point is observed, discontinue the heating. If condensation continues, read the volume of condensation every 2 minutes to the nearest 0.5 ml and record it as a percentage recovered.
17、4.3.5 Loss may be obtained by subtracting the volume recovered from 100. 5 Data 5.1 Results. 5.1.1 Report all percentages to the nearest 0.5 % and all thermometer readings to the nearest 0.5 E . 5.1.2 Obtain the volume of condensation and loss and thermometer readings corresponding to specified cond
18、ensation temperatures. 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 the user of this standard to establish appropriate safety and health practi
19、ces and determine the applicability of regulatory limitations prior to use. 7 Notes 7.1 Glossary. Initial Boiling Point: The thermometer reading that is observed at the instant the first drop of condensate falls from the lower end of the condenser tube. End/Final Boiling Point: The maximum thermomet
20、er reading obtained during the test. Dry Point: The thermometer reading that is observed at the instant the last drop of liquid evaporates from the lowest point in the flask. Decomposition: The thermometer reading that coincides with the first indications of thermal decomposition of the liquid in th
21、e flask. 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-7708 9 Release and Revisions This standard was originated in July 1993. It was first approved by Engineering Standard Com
22、mittee in July 1993. It was first published in July 1993. 4.3.4 7$4 370 E D# 7(.F 7$7 $ F+ 47(8x ! , 8T8 2%L+ 2 . *$ 8T(8x 0.5 ml: 8 98 G3L(8p) d)F$ . 4.3.5 24(8t 10072P G3L(8x /+ %P$ . 5 4G $8Bd 5.1 0 . 5.1.1 -e.88t 0.5 %: 8T 7$# 0.5 E: F$ . 5.1.2 9I 8T 7$7 $48 F# 8T( -C 24( , 8T 7$* F$ . 6 6|987 $
23、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 . 68 F -78 &6: &8 7$* +F$ . 9+9D : F(3A !8 94.4 9%T &8 7$ , 8& F(3A !-+0 7$ E+8t
24、9J686$ 9$ . 9D : :* 4G :E 7$ . .F9D : 4*4 7! .F* 48F &8 7$ . 7.2 66 -C dGl . F$-1F 68 . 8 Ed - $* ,l2P! $+ &%72P ., E:48 87%T &# $80 M8 EdF$ . Test to EDS-T-7708 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$ . GM KORE
25、A ENGINEERING STANDARDS EDS-T-7708 Copyright 2011 General Motors Company All Rights Reserved August 2011 Page 4 of 6 Version : 4 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
26、(Polymer / Organic Material Lab Team) / 4 d3TE:4 64 957 . F9I957 ($4=E:4 68 ) =* (G)8*4G D4 ) Figure 1: Gas Reversible Distillation Apparatus ,* 1: 43 47!95 :* 8? GM KOREA ENGINEERING STANDARDS EDS-T-7708 Copyright 2011 General Motors Company All Rights Reserved August 2011 Page 5 of 6 Version : 4 Figure 2: Electricity Reversible Distillation Apparatus ,* 2: 98d 47!95 :*8? GM KOREA ENGINEERING STANDARDS EDS-T-7708 Copyright 2011 General Motors Company All Rights Reserved August 2011 Page 6 of 6 Version : 4 Figure 3: Flask ,* 3: F(3A
