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

CERTIFIED REFERENCE MATERIAL
SL54-03
Fe-Si-Cr

Version: 003      Date of certification: 07.09.04      Sample form: Powder <0.200 mm

Analyte Unit Certified value Confidence
interval (95%)
No. of independent
repeated series
Measuring
method*
  Si
Fe
Mn
P
Al
  %
%
%
%
%
     40.46
20.93
0.41
0.022
0.579
      0.05
0.10
< 0.01
0.001
0.018
 3
3
3
3
3
1
1
1
1
1
  Ti
V
Cr
Ni
Cu
  %
%
%
%
%
      0.124
0.074
36.93
0.190
0.020
      0.001
0.001
0.03
0.005
0.002
 3
3
3
3
3
1
1
1
1
1
  C
  %
      0.034
      0.003
 3
2
* Measuring method
1: X-ray fluorescence spectrometry
2: Combustion with IR-detection