Name: EN ISO 4946:2016
Brand: CEN

Steel and cast iron - Determination of copper - 2,2'-Biquinoline spectrophotometric method (ISO 4946:2016)

Published date

09-03-2016

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling
7 Procedure
8 Expression of results
9 Precision
10 Test report
Annex A (informative) - Additional information on the
international interlaboratory test
Annex B (informative) - Graphical representation of
precision data
Bibliography

ISO 4946:2016 specifies a spectrophotometric method for the determination of copper in steel and cast iron by 2,2'-biquinoline.The method is applicable to the determination of copper mass fraction in the range of 0,02 % and 5 %.

Committee	CEN/TC 459/SC 2
DevelopmentNote	Supersedes EN 24946. (03/2016)
DocumentType	Standard
PublisherName	Comite Europeen de Normalisation
Status	Current
Supersedes	EN 24946:1990/AC:1991

Standards	Relationship
UNE-EN ISO 4946:2016	Identical
DIN EN ISO 4946:2016-08	Identical
ISO 4946:2016	Identical
NEN EN ISO 4946 : 2016	Identical
BS EN ISO 4946:2016	Identical
SS-EN ISO 4946:2016	Identical
NF EN ISO 4946 : 2016	Identical
NS EN ISO 4946 : 2016	Identical
SN EN ISO 4946 : 2016	Identical
I.S. EN ISO 4946:2016	Identical
NBN EN ISO 4946 : 2016	Identical
UNI EN ISO 4946 : 2016	Identical
DIN EN ISO 4946 E : 2016	Identical
PN EN ISO 4946 : 2016	Identical

ISO 1042:1998	Laboratory glassware One-mark volumetric flasks
ISO 648:2008	Laboratory glassware — Single-volume pipettes
ISO 5725:1986	Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
ISO 3696:1987	Water for analytical laboratory use — Specification and test methods
ISO 14284:1996	Steel and iron — Sampling and preparation of samples for the determination of chemical composition