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

CERTIFIED REFERENCE MATERIAL
SE21-32
unalloyed steel

Version: 003      Date of certification: 09.10.09      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
 
  %
  %
  %
  %
  %
 
      0.1660
      0.411
      1.609
      0.0127
      0.0094
 
      0.0004
      0.003
      0.005
      0.0001
      0.0001
 
12
12
12
10
12
 
1
2
2
3
4
 
  Cr
  Mo
  Ni
  Al lösl.
  As
 
  %
  %
  %
  %
  %
 
      0.0124
      0.0035
      0.430
      0.0485
      0.0035
 
      0.0001
      0.0001
      0.001
      0.0003
      0.0001
 
 6
 8
12
 6
 4
 
2
2
2
2
3
 
  Co
  Cu
  V
  Ca
 
  %
  %
  %
  %
 
      0.0046
      0.0178
      0.1465
      0.0001
 
      0.0001
      0.0001
      0.0003
    < 0.0001
 
 6
 6
 6
 6
 
2
2
2
2
* Measuring method
1: Combustion with coulometric detection
2: Atomic absorption spectrometry
3: Photometry
4: Combustion with IR-detection