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

CERTIFIED REFERENCE MATERIAL
SE22-03
unalloyed steel

Version: 002      Date of certification: 04.08.08      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
 
  %
  %
  %
  %
  %
 
      0.1658
      0.4190
      1.6015
      0.0126
      0.0089
 
      0.0004
      0.0023
      0.0044
      0.0001
      0.0001
 
21
10
10
20
21
 
1
2
2
2
3
 
  Cr
  Mo
  Ni
  Al lösl.
  As
 
  %
  %
  %
  %
  %
 
      0.0128
      0.0036
      0.4342
      0.0500
      0.0030
 
      0.0003
      0.0002
      0.0020
      0.0004
      0.0001
 
10
10
10
10
 6
 
2
2
4
2
2
 
  Co
  Cu
  Nb
  Pb
  Sn
 
  %
  %
  %
  %
  %
 
      0.0046
      0.0180
      0.0001
      0.0004
      0.0008
 
      0.0001
      0.0002
    < 0.0001
      0.0001
      0.0001
 
10
10
 6
 9
 9
 
2
2
4
4
4
 
  Ti
  V
  Ca
  Sb
 
  %
  %
  %
  %
 
      0.0008
      0.1414
    < 0.0001
      0.0004
 
    < 0.0001
      0.0007
      -.-
      0.0001
 
10
10
 6
 9
 
2
2
2
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