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

CERTIFIED REFERENCE MATERIAL
SL02-01
Cu alloys

Version: 003      Date of certification: 12.08.04      Sample form: Milling 0.200-0.500 mm

Analyte Unit Certified value Confidence
interval (95%)
No. of independent
repeated series
Measuring
method*
  Fe
Mn
P
Al
Ni
  %
%
%
%
%
      0.677
0.035
0.046
0.022
0.795
      0.004
0.001
0.003
0.004
0.007
 3
3
3
3
3
1
1
1
1
1
  Cu
Zn
Sn
Pb
As
  %
%
%
%
%
     81.84
6.30
8.84
1.17
0.076
      0.08
0.01
0.09
0.02
0.016
 3
3
3
3
3
1
1
1
1
1
  Sb
Bi
  %
%
      0.104
0.006
      0.005
0.001
 3
3
1
1
* Measuring method
1: X-ray fluorescence spectrometry