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

CERTIFIED REFERENCE MATERIAL
SE23-27
alloyed steel

Version: 002      Date of certification: 14.06.07      Sample form: Milling 0.200-1.400 mm

Analyte Unit Certified value Confidence
interval (95%)
No. of independent
repeated series
Measuring
method*
  C
Si
Mn
P
S
  %
%
%
%
%
      0.0801
0.3886
1.7182
0.0180
0.0015
      0.0008
0.0008
0.0157
0.0003
0.0001
 3
2
3
3
3
1,2
3
3
3
2
  Cr
Mo
Ni
Al
As
  %
%
%
%
%
      0.0328
0.2785
0.8964
0.0271
0.0040
      0.0002
0.0049
0.0069
0.0006
0.0001
 3
3
3
3
3
3
3
3
3
4
  B
Co
Cu
N
Nb
  %
%
%
%
%
    < 0.00014
0.0052
1.3256
0.0143
0.0906
      -.-
0.0001
0.0150
0.0001
0.0014
 2
3
3
3
3
5
3
3
6
3
  Pb
Sn
Ti
V
Bi
  %
%
%
%
%
      0.00070
0.0028
0.0010
0.0037
< 0.00007
      0.00005
0.0001
< 0.0001
0.0002
-.-
 3
3
3
3
3
4
4
3
3
4
  Ca
Sb
  %
%
      0.0051
0.00049
      0.0001
0.00002
 3
3
3
4
* Measuring method
1: Combustion with coulometric detection
2: Combustion with IR-detection
3: ICP with optical emission spectrometry
4: ICP with quadrupol mass spectrometry
5: ICP with high resolution mass spectrometry
6: Hot extraction with HC and IR detection