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BS EN 725-2:2007

BS EN 725-2:2007

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Advanced technical ceramics. Methods of test for ceramic powders Determination of impurities in barium titanate

Available format(s)

Hardcopy , PDF

Superseded date

02-02-2023

Language(s)

English

Published date

30-11-2007

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Preparation of sample solution
  6.1 Sample calcination
  6.2 Test sample
  6.3 Dissolution of the test sample
7 Calibration
  7.1 Standard addition method
  7.2 Calibration method
8 Procedure
  8.1 ICP spectrometer operation
  8.2 Standard addition method
  8.3 Calibration method
9 Test report

Specifies a method for the determination of impurities in barium titanate powders using inductively coupled plasma optical emission spectroscopy (ICP-OES).

This part of EN 725 describes a method for the determination of impurities in barium titanate powders using inductively coupled plasma optical emission spectroscopy (ICP-OES). The method is applicable only to stoichiometric barium titanate. The maximum concentrations measured for each impurity are as follows: Sr 4 mg/g (4 000 ppm) Ca 500 ug/g (500 ppm) K 200 ug/g (200 ppm) Na, Mg, Al, Fe, Nb 100 ?g/g (100 ppm) The minimum concentration or detection limits are from 1 ug/g to 5 ug/g (1 ppm to 5 ppm).

Committee
RPI/13
DevelopmentNote
Supersedes DD ENV 725-2 & 05/30131025 DC. (11/2007)
DocumentType
Standard
Pages
12
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes
UnderRevision

Standards Relationship
ONORM EN 725-2 : 2008 Identical
NF EN 725-2 : 2008 Identical
EN 725-2:2007 Identical
SN EN 725-2 : 2008 Identical
NBN EN 725-2 : 2008 Identical
NEN EN 725-2 : 2007 Identical
DIN EN 725-2:2008-01 Identical
I.S. EN 725-2:2007 Identical
NS EN 725-2 : 1ED 2007 Identical

ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories

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