EN 1241-1998 en Adhesives - Determination of Acid Value《胶粘剂 酸值测定》.pdf

1、BRITISH STANDARD Adhesives - Determination of acid value The European Standard EN 1241: 1998 has the status of a British Standard ICs 83.180 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW V” BS EN 1241:1998 BS EN 1241:1998 direction of the Sector Board for Amd. No. Materiais

2、and Chemicals, was published under the authority of the Standards Board and comes into effect on 15 July 1998 National foreword Date Text affected This British Standard is the English language version of EN 1241:1998. The UK participation in its preparation was entrusted to Technical Committee ST1/5

3、2, Adhesives, which has the responsibility to: - aid enquirers to understand the text; - present to the responsible European committee any enquiries on the - monitor related international and European developments and promulgate interpretation, or proposals for change, and keep the UK interests info

4、rmed; them in the UK A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standas V2 is the volume, in miiiitxes, of KOH solution (see 6.3) used in the blank determination; M is the molarity of the KOH solution (see 6.3); m i

5、s the mass, in grams, of the test portion. 9.2 Expression of results We as the result the mean of at least two determinations, rounded to the nearest whole number. 10 Ikst report The test report shal include: a) a reference to this European Stan c) identification of the solvent used for solution pre

6、pasation, i.e. toluendethanol or toluend ethanoVacetone and the end point detection used (by an indicator or potentiometry); d) test results, the individual acid values and their mean; e) any special features noted during the determination; f) any operations not specified in this European Standard a

7、nd all incidents that may have affected the results; g) date of test. O BSI 1998 STDmBSI BS EN 1241-ENGL 1998 1b24bb9 0712410 b2T I BS EN 1241:1998 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution BSI is the independent national body responsible for preparing British Stan

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