BS 6392-5-1983 Testing of ethanol for industrial use - Method of test for miscibility with water《工业用乙醇试验 第5部分 水混溶性试验方法》.pdf

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1、BRITISH STANDARDBS 6392-5:1983Ethanol for industrial use Part 5: Method of test for miscibility with waterNOTE It is recommended that this Part be read in conjunction with the information given in the “General introduction” published separately as BS 6392-0.UDC 661.722:541.8:532.77BS 6392-5: 1983Inc

2、orporating Corrigendum No. 1ICS 71.080.60Testing of ethanol for industrial use Part 5: Method of test for miscibility BS 6392-5:1983ISBN 978 0 580 85417 0Amendments issued since publicationAmd. No. Date CommentsC1 March 2014 Title correctedThis British Standard, having been prepared under the direct

3、ion of the Chemicals Standards Committee, was published under the authority of the Board of BSI and comes into effect on 31 August 1983 The British Standards Institution 2014. Published by BSI Standards Limited 2014The Committees responsible for this British Standard are shown in Part 0The following

4、 BSI references relate to the work on this standard: Committee reference CIC/4 Draft for comment 80/51209 DCForewordThis part of BS 6392 is published by BSI Standards Limited, under licence from The British Standards Institution.This Part of BS 6392 is technically equivalent to ISO 1388 “Ethanol for

5、 industrial use Methods of test” Part 6 “Test for miscibility with water”, published in 1981 by the International Organization for Standardization (ISO).For ease of production, the text of ISO 1388-6:1981, with the omission of the Annex, has been used for this British Standard. Some terminology and

6、certain conventions are not identical with those used in British Standards; attention is drawn especially to the following.The comma has been used as a decimal marker. In British Standards it is current practice to use a full point on the baseline as the decimal marker.This standard describes a meth

7、od only and should not be used as a specification defining limits of purity. Reference to the standard should indicate that the method of test used is in accordance with BS 6392-5.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its c

8、orrect application. Compliance with a British Standard cannot confer immunity from legal obligations.Summary of pagesThis document comprises a front cover, an inside front cover, pages i and ii, page 1 and a back cover.This standard has been updated (see copyright date) and may have had amendments i

9、ncorporated. This will be indicated in the amendment table on the inside front cover.BS 6392-5:1983 BSI 12-1999 iContentsPageForeword Inside front cover1 Scope and field of application 12 Principle 13 Reagent 14 Apparatus 15 Procedure 16 Expression of results 1 The British Standards Institution 2014

10、 iiiblankBS 6392-5:1983 BSI 12-1999 11 Scope and field of applicationThis Part of BS 6392 describes a test for miscibility with water of ethanol for industrial use.2 PrincipleAddition of water to a test portion, under specified conditions, and examination for opalescence.3 ReagentDuring the test, us

11、e only distilled water or water of equivalent purity.4 ApparatusOrdinary laboratory apparatus, and4.1 Two matched Nessler cylinders, of capacity 100 ml.5 Procedure5.1 Test portionTake5ml of the laboratory sample or a different volume agreed between the interested parties.5.2 TestPlace the test porti

12、on (5.1) in one of the Nessler cylinders (4.1), and dilute with water to the 100 ml mark. Mix and adjust the temperature to about 20 C. Place 100 ml of water in the other Nessler cylinder.Examine the cylinder containing the test solution vertically for opalescence, against a black background with si

13、de illumination, using the second Nessler cylinder containing water as the standard.6 Expression of resultsReport the dilution-ratio of the test portion and the presence or absence of opalescence. The British Standards Institution 2014 1BSI is the national body responsible for preparing British Stan

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