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

CERTIFIED REFERENCE MATERIAL
SX74-04
Mn-slag

Version: 001      Date of certification: 29.05.08      Sample form: Powder < 0.125 mm

Analyte Unit Certified value Confidence
interval (95%)
No. of independent
repeated series
Measuring
method*
  CaO
SiO2
Fe
Mn
S
  %
%
%
%
%
     26.16
37.39
0.086
2.66
0.959
      0.03
0.05
0.001
0.02
0.010
 4
3
4
4
4
1
1
1
1
1
  Al2O3
MgO
TiO2
K2O
SrO
  %
%
%
%
%
     24.61
7.04
0.164
0.630
0.109
      0.08
0.01
0.002
0.001
0.001
 4
4
4
4
4
1
1
1
1
1
  Ba
Y2O3
ZrO2
Cr2O3
  %
%
%
%
      0.925
0.014
0.035
0.007
    < 0.001
0.001
0.002
< 0.001
 3
3
4
3
1
1
1
1
* Measuring method
1: X-ray fluorescence spectrometry