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

CERTIFIED REFERENCE MATERIAL
SE21-02
unalloyed steel

Version: 002      Date of certification: 10.07.08      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
 
  %
  %
  %
  %
  %
 
      0.1470
      0.2944
      0.8221
      0.0164
      0.0012
 
      0.0002
      0.0013
      0.0113
      0.0005
      0.0001
 
 3
 3
 3
 3
 4
 
1
2
2
2
3
 
  Cr
  Mo
  Ni
  Al
  Al unlösl.
 
  %
  %
  %
  %
  %
 
      0.2847
      0.0192
      0.2825
      0.0318
      0.0009
 
      0.0036
      0.0002
      0.0038
      0.0007
      0.0003
 
 3
 3
 3
 3
 3
 
2
2
2
2
2
 
  As
  B
  Co
  Cu
  N
 
  %
  %
  %
  %
  %
 
      0.0043
    < 0.0001
      0.0034
      0.3503
      0.0127
 
      0.0001
      -.-
      0.0001
      0.0038
      0.0003
 
 3
 2
 3
 3
 3
 
4
5
2
2
6
 
  Nb
  Pb
  Sn
  Ti
  V
 
  %
  %
  %
  %
  %
 
      0.0329
    < 0.0001
      0.0006
      0.0010
      0.0014
 
      0.0002
      -.-
      0.0001
    < 0.0001
      0.0002
 
 3
 3
 3
 3
 3
 
2
4
4
2
2
 
  Bi
  Ca
  Ce
  Sb
  Ta
 
  %
  %
  %
  %
  %
 
    < 0.0001
      0.0012
    < 0.0001
      0.0005
    < 0.0001
 
      -.-
      0.0001
      -.-
    < 0.0001
      -.-
 
 3
 3
 2
 3
 2
 
4
2
4
4
5
 
  Zn
 
  %
 
      0.0003
 
      0.0001
 
 3
 
4
* Measuring method
1: Combustion with coulometric detection
2: ICP with optical emission spectrometry
3: Combustion with IR-detection
4: ICP with quadrupol mass spectrometry
5: ICP with high resolution mass spectrometry
6: Hot extraction with HC and IR detection