Laboratory accredited by GAZ, (Association for the Accreditation and Certification GmbH) Attestation no. 91021

CERTIFIED REFERENCE MATERIAL
SL02-04
Cu alloys

Version: 002      Date of certification: 16.08.04      Sample form: Powder 0.100-0.200 mm

Analyte Unit Certified value Confidence
interval (95%)
No. of independent
repeated series
Measuring
method*
  Si
Fe
Mn
Al
Cr
  %
%
%
%
%
      0.220
5.70
0.057
12.51
0.009
      0.031
0.02
0.005
0.17
0.001
 3
3
3
3
3
1
1
1
1
1
  Cu
Zn
Sn
Pb
Sb
  %
%
%
%
%
     77.00
1.36
2.16
0.581
0.336
      0.07
< 0.01
0.10
0.056
0.018
 3
3
3
3
3
1
1
1
1
1
* Measuring method
1: X-ray fluorescence spectrometry