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

CERTIFIED REFERENCE MATERIAL
SE23-15
alloyed steel

Version: 002      Date of certification: 10.09.08      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
 
  %
  %
  %
  %
  %
 
      0.1103
      0.514
      0.435
      0.0887
      0.0117
 
      0.0006
      0.005
      0.002
      0.0008
      0.0001
 
12
12
12
12
12
 
1
2
2
3
4
 
  Cr
  Mo
  Ni
  Al
  As
 
  %
  %
  %
  %
  %
 
      1.049
      0.0082
      0.498
      0.0217
      0.0025
 
      0.008
      0.0001
      0.006
      0.0001
      0.0001
 
12
12
12
10
10
 
2
2
2
2
2
 
  Co
  Cu
  Pb
  Sn
  V
 
  %
  %
  %
  %
  %
 
      0.0049
      0.479
      0.0002
      0.0005
      0.0040
 
    < 0.0001
      0.005
    < 0.0001
      0.0001
      0.0003
 
10
12
 7
 7
12
 
2
2
2
2
2
 
  Ca
  Sb
  Zn
 
  %
  %
  %
 
      0.0001
      0.0004
      0.0007
 
    < 0.0001
      0.0001
      0.0001
 
10
 7
 7
 
2
2
2
* Measuring method
1: Combustion with coulometric detection
2: Atomic absorption spectrometry
3: Photometry
4: Combustion with IR-detection