EN 1246-1998 en Adhesives - Determination of Ash and Sulphated Ash《胶粘剂 灰分含量和硫酸盐灰分含量的测定》.pdf

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1、- STDOBSI BS EN 1246-ENGL 3998 = 3624669 0732428 BbT H BRITISH STANDARD Adhesives - Determination of ash and sulfated ash The European Standard EN 12461998 has the status of a British Standard ICs 83.180 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW mZxL BS EN 1246:1998 STD.

2、BSI ES EN 1246-ENGL 1998 = 1624669 0712429 Tb M direction of the Sector Board for Materiais and Chemicals, was published under the authority of the Standards Board and comes into effect on 15 July 1998 hd. No. BS EN 1246:1998 Da Text affected National foreword This British Standard is the English la

3、nguage version of EN 12461998. The UK participation in its preparation was entrusted to Technical Committee SW52, Adhesives, which has the responsibiity to: - aid enquirers to understand the text; - present to the responsible European committee any enquiries on the - monitor related international an

4、d European developments and promulgate interpretation, or proposals for change, and keep the UK interests informed them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement hternkonal or E

5、uropean publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the ”Find facility of the BSI standardc Electronic Catalogue. A British Standard does not purport to include all the ne

6、cessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page,

7、pages 2 to 4, an inside back cover and a back cover. O BSI 1998 I I ISBN O 580 29636 9 * rJ-l * _ STDoBSI BS EN L24b-ENGL 1998 16246b 0732430 418 m EN 1246 February 1998 ICs 83.180 Descriptors: Adhesives, chemical analysis, ash determination, analysis methods English version Adhesives - Deterrnimtio

8、n of ash and sulfated ash Adhsi m,1 is the mass, in grams, of sulfated ash. Calculate the mean to the nearest 0,0005 grams of the two values finally obtained. In the test report include the mean as the value of the percentage of ash or sulfated ash. 11 Precision a) Repeatability (in accordance with

9、IS0 57252): 0,lO % b) Reproducibility (in accordance with IS0 57252): 0,20 % 12 Rst report The test report shall include: a) a reference to this draft European Standard b) the type and designation of the adhesive tested c) the result of the test expressed in accordance with clause 10 d) any circumst

10、;uices which may have affected the RSulC e) date of test. O BSI 1998 BS EN 1246:1998 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at th

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