BS EN 12947-2000 Liming materials - Determination of magnesium content - Atomic absorption spectrometric method《石灰浸物质 镁含量测定 原子吸收分光光度法》.pdf

1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12947:2000 The Euro

2、pean Standard EN 12947:2000 has the status of a British Standard ICS 65.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Liming materials Determination of magnesium content Atomic absorption spectrometric methodThis British Standard, having been prepared under the direction

3、 of the Sector Committee for Materials and Chemicals, was published under the authority of the Standards Committee and comes into effect on 15 August 2000 BSI 08-2000 ISBN 0 580 35921 2 BS EN 12947:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standar

4、d is the official English language version of EN 12947:2000. The UK participation in its preparation was entrusted to Technical Committee CII/37, Fertilizers and related chemicals, which has the responsibility to: aid enquirers to understand the text; present to the responsible European committee an

5、y enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. The United Kingdom

6、 voted against the acceptance of this standard at the CEN Formal Vote stage because the precision data quoted for this method is incomplete and highly suspect. Cross-references The British Standards which implement international or European publications referred to in this document may be found in t

7、he BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are r

8、esponsible 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, pages 2 to 8, an inside back cover and a back cover. The BSI copyr

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