Name: EN 12441-7:2004
Brand: CEN

Zinc and zinc alloys - Chemical analysis - Part 7: Determination of tin - Flame atomic absorption spectrometric method after extraction

Published date

12-22-2004

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Procedure
9 Calculation and expression of results
10 Test report
Annex A (informative) - Additional information on international
co-operative tests
Annex B (informative) - Graphical representation of precision
data
Bibliography

This document specifies a flame atomic absorption spectrometric method after extraction for the determination of tin in zinc and zinc alloys. It is applicable to the products specified in EN 988, EN 1179, EN 1774 and EN 12844.It is suitable for the determination of tin contents (mass fractions) between 0,000 5 % and 0,005 %.

Committee	CEN/TC 209
DocumentType	Standard
PublisherName	Comite Europeen de Normalisation
Status	Current

Standards	Relationship
NS EN 12441-7 : 1ED 2005	Identical
NBN EN 12441-7 : 2005	Identical
I.S. EN 12441-7:2005	Identical
NEN EN 12441-7 : 2005	Identical
PN EN 12441-7 : 2007	Identical
UNI EN 12441-7 : 2005	Identical
UNE-EN 12441-7:2004	Identical
BS EN 12441-7:2004	Identical
NF EN 12441-7 : 2005	Identical
SN EN 12441-7 : 2005	Identical
DIN EN 12441-7:2005-03	Identical

ISO 5725-1:1994	Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
EN 988:1996	Zinc and zinc alloys - Specifications for rolled flat products for building
ISO 5725-3:1994	Accuracy (trueness and precision) of measurement methods and results — Part 3: Intermediate measures of the precision of a standard measurement method
EN 12060:1997	Zinc and zinc alloys - Method of sampling - Specifications
EN 1774:1997	Zinc and zinc alloys - Alloys for foundry purposes - Ingot and liquid
EN 1179:2003	Zinc an zinc alloys - Primary zinc
ISO 5725-2:1994	Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
EN 12844:1998	Zinc and zinc alloys - Castings - Specifications