EN 725-2:2007

Withdrawn

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Advanced technical ceramics - Methods of test for ceramic powders - Part 2: Determination of impurities in barium titanate

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Withdrawn date: 31-05-2008

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Published date: 01-11-2007

Publisher: Comite Europeen de Normalisation

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Table of Contents - (Show below) - (Hide below)

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

Abstract - (Show below) - (Hide below)

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:Sr4 mg/g (4 000 ppm)Ca500 ug/g (500 ppm)K200 ug/g (200 ppm)Na, Mg, Al, Fe, Nb100 g/g (100 ppm)The minimum concentration or detection limits are from 1 ug/g to 5 ug/g (1 ppm to 5 ppm).

General Product Information - (Show below) - (Hide below)

Committee	CEN/TC 184
Development Note	Supersedes ENV 725-2. (11/2007)
Document Type	Standard
ISBN
Pages
Published
Publisher	Comite Europeen de Normalisation
Status	Withdrawn
Supersedes	ENV 725-2 : 1994

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Equivalent Standard(s)	Relationship
ONORM EN 725-2 : 2008	Identical
NEN EN 725-2 : 2007	Identical
UNI EN 725-2 : 2009	Identical
PN EN 725-2 : 2008	Identical
BS EN 725-2:2007	Identical
NF EN 725-2 : 2008	Identical
NBN EN 725-2 : 2008	Identical
UNE-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
SN EN 725-2 : 2008	Identical

Standards Referenced By This Book - (Show below) - (Hide below)

UNI EN 14232 : 2009	ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS
09/30185903 DC : 0	BS EN 14232 - ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS
PREN 14232 : DRAFT 2009	ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS
EN 14232:2009	Advanced technical ceramics - Terms, definitions and abbreviations
BS EN 14232:2009	Advanced technical ceramics. Terms, definitions and abbreviations
I.S. EN 14232:2009	ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS

Standards Referencing This Book - (Show below) - (Hide below)

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

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