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

CERTIFIED REFERENCE MATERIAL
SE22-08
unalloyed steel

Version: 001      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
  %
%
%
%
%
      0.4843
0.2616
0.8406
0.0144
0.0013
      0.0024
0.0017
0.0032
0.0001
0.0001
 4
12
12
22
3
1
2
2
2
3
  Cr
Mo
Ni
Al lösl.
As
  %
%
%
%
%
      0.9596
0.0105
0.0416
0.0386
0.0019
      0.0037
0.0001
0.0002
0.0004
0.0001
12
12
12
12
6
2
2
2
2
2
  Co
Cu
Nb
Sn
Ti
  %
%
%
%
%
      0.0037
0.0202
0.0005
0.0004
0.0018
      0.0001
0.0001
< 0.0001
< 0.0001
< 0.0001
12
12
6
10
12
2
2
2
4
2
  V
Ca
Sb
  %
%
%
      0.1325
0.0026
0.0005
      0.0009
0.0001
< 0.0001
12
12
10
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