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CERTIFIED REFERENCE MATERIAL
SX39-27
LD-slag

Version: 002      Date of certification: 18.11.24      Sample form: Powder <0.125 mm
Analyte Unit Certified value Confidence
interval (95%)
No. of independent
repeated series
Measuring
method*
  CaO
SiO2
Fe
Mn
P2O5
  %
%
%
%
%
     37.27
12.58
23.35
2.498
0.798
      0.13
0.04
0.09
0.011
0.005
 3
3
3
3
3
1
1
1
1
1
  S
Al2O3
MgO
TiO2
K2O
  %
%
%
%
%
      0.232
3.39
5.83
0.424
0.109
      0.012
0.03
0.03
0.002
0.002
 2
3
3
3
3
1,2
1
1
1
1
  SrO
V2O5
Nb2O5
Cr
Mo
  %
%
%
%
%
      0.032
0.157
0.043
0.830
0.0074
      0.001
< 0.001
0.001
0.012
0.0001
 3
3
3
3
4
1
1
1
1
3
  Co
Ni
Cu
Zn
Cd
  %
%
%
%
%
      0.0007
0.0042
0.0017
0.0054
< 0.0001
      0.0001
0.0001
0.0001
0.0002
-.-
 4
4
4
3
4
4
3
3
3
4
  B
Tl
Pb
As
Se
  %
%
%
%
%
      0.0036
< 0.0001
0.0009
< 0.0004
< 0.0003
      0.0002
-.-
0.0002
-.-
-.-
 3
4
4
3
3
4
4
4
4
4
* Measuring method
1: X-ray fluorescence spectrometry
2: Combustion with IR-detection
3: ICP with optical emission spectrometry
4: ICP with high resolution mass spectrometry

Comment
Thermal treatment of material before weighing: 900°C, 1 h