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

CERTIFIED REFERENCE MATERIAL
SL02-05
Cu alloys

Version: 002      Date of certification: 12.08.04      Sample form: Powder < 0.100 mm

Analyte Unit Certified value Confidence
interval (95%)
No. of independent
repeated series
Measuring
method*
  Si
Fe
Mn
P
Al
  %
%
%
%
%
      0.22
5.66
0.056
0.008
12.53
      0.02
0.01
0.005
0.002
0.11
 4
4
4
3
4
1
1
1
1
1
  Cu
Zn
Sn
Pb
Sb
  %
%
%
%
%
     76.82
1.36
2.14
0.76
0.350
      0.27
0.01
0.09
0.05
0.014
 3
4
4
4
4
1
1
1
1
1
* Measuring method
1: X-ray fluorescence spectrometry