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

CERTIFIED REFERENCE MATERIAL
SL30-01
Fe-Si-Zr

Version: 001      Date of certification: 23.02.05      Sample form: Powder < 0.063 mm

Analyte Unit Certified value Confidence
interval (95%)
No. of independent
repeated series
Measuring
method*
  Ca
Si
Fe
Mn
P
  %
%
%
%
%
      0.157
51.14
8.87
0.210
0.033
      0.006
0.05
0.04
0.003
0.001
 3
3
3
3
3
1
1
1
1
1
  S
Al
Ti
Zr
Hf
  %
%
%
%
%
      0.002
0.852
0.073
36.06
0.804
    < 0.001
0.008
0.002
0.12
0.004
 3
3
3
3
3
2
1
1
1
1
  Cr
Ni
C
N
  %
%
%
%
      0.004
0.013
0.338
0.027
      0.001
0.001
0.003
0.002
 3
3
3
3
1
1
2
3
* Measuring method
1: X-ray fluorescence spectrometry
2: Combustion with IR-detection
3: Hot extraction with HC and IR detection