ISO-1388-10-1981.pdf
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1、International Standard 1388/l 0 0 N 4 a!- INTERNATIONAL ORGANIZATION FOR STANDARDIZATlON*MEWlYHAPOAHAR OPTAHK3AUMR fl0 CTAH,lAPTM3AUklM*ORGANlSATlON INTERNATIONALE DE fdORMALISATION ,?, ,; jq:y; : . . ! ; : ,; ; , : *: : Ethanol for industrial use - Methods of test - Part 10 : Estimation of hydrocar
2、bons content - Distillation method Ethanol B usage industriel - M&hodes d essai - Partie IO : Evaluation des hydrocarbures - Mkthode par distillation First edition - 1981-11-01 is. , , ., : . . i.!“j/ i i U DC 661.722 : 543.824 Ref. No. IS0 1388/10-1981 (E) , i Descriptors : industrial products, eth
3、anols, tests, determination of content, hydrocarbons, distillation method. Price based on 5 pages Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 19:46:53 MDTNo reproduction or n
4、etworking permitted without license from IHS -,-,- Foreword IS0 (the International Organization for Standardization) is a worldwide federation of national standards institutes (IS0 member bodies). The work of developing Inter- national Standards is carried out through IS0 technical committees. Every
5、 member body interested in a subject for which a technical committee has been set up has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. Draft International Standards adopted by the techni
6、cal committees are circulated to the member bodies for approval before their acceptance as International Standards by the IS0 Council. International Standard IS0 1388/10 was developed by Technical Committee ISO/TC 47, Chemistry, and was circulated to the member bodies in February 1980. It has been a
7、pproved by the member bodies of the following countries : Australia France Austria Germany, F.R. Belgium Hungary Brazil India Bulgaria Italy China Korea, Rep. of Czechoslovakia Netherlands Philippines Poland Romania South Africa, Rep. of Switzerland Thailand USSR The member body of the following cou
8、ntry expressed disapproval of the document on technical grounds : United Kingdom International Standards IS0 1388/l to IS0 1388/12 cancel and replace IS0 Recom- mendation R 1388-1970, of which they constitute a technical revision. 0 International Organization for Standardization, 1981 0 Printed in S
9、witzerland Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/27/2007 19:46:53 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD IS0 X388/10-1
10、981 (E) Ethanol for industrial use - Methods of test - Part 10 : Estimation of hydrocarbons content - Distillation method 1 Scope and field of application 4.4 Receiver for the estimation of hydrocarbons content, such as that shown in figure 2. This part of IS0 1388 specifies a distillation method fo
11、r estimating the hydrocarbons content of ethanol for industrial use. 5 Procedure This document should be read in conjunction with IS0 1388/l (see the annex). 5.1 Test portion Take 1 500 f 1 ml of the laboratory sample. 2 Principle 5.2 Determination Distillation of a test portion in the presence of w
12、ater, addition to the distillate of a saturated sodium chloride solution and measurement of the volume of insoluble hydrocarbons. 3 Reagent During the analysis, use only reagent of recognized analytical grade, and distilled water or water of equivalent purity. 3.1 Sodium chloride, saturated solution
13、 at ambient temperature. 4 Apparatus Place the test portion (5.1) in the distillation flask (4. I) and add 1 500 ml of water. Connect the fractionating column (4.2) to the flask and connect the side arm to the Liebig condenser (4.3) fitted with its adaptor. Heat the flask so that the rate of distill
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- ISO 1388 10 1981
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