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

CERTIFIED REFERENCE MATERIAL
SL02-03
Cu alloys

Version: 002      Date of certification: 16.08.04      Sample form: Powder 0.200-0.500 mm

Analyte Unit Certified value Confidence
interval (95%)
No. of independent
repeated series
Measuring
method*
  Si
Fe
Mn
Al
Cu
  %
%
%
%
%
      0.226
5.76
0.057
12.50
76.88
      0.023
0.01
0.006
0.15
0.10
 3
3
3
3
3
1
1
1
1
1
  Zn
Sn
Pb
Sb
  %
%
%
%
      1.36
2.17
0.588
0.329
    < 0.01
0.10
0.059
0.005
 3
3
3
3
1
1
1
1
* Measuring method
1: X-ray fluorescence spectrometry