Laboratorium
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CERTIFIED REFERENCE MATERIAL
SX51-09
Vacuum slag

Version: 003      Date of certification: 21.10.24      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
     
  %
  %
  %
  %
  %
     
     53.00
      8.92
      1.36
      1.46
      0.036
     
      0.08
      0.08
      0.01
      0.01
      0.001
     
 3
 4
 4
 4
 4
     
1
1
1
1
1
   
  S
  Al2O3
  MgO
  TiO2
  K2O
     
  %
  %
  %
  %
  %
     
      0.341
     20.27
     11.02
      1.361
      0.010
     
      0.010
      0.05
      0.05
      0.022
      0.001
     
 4
 3
 4
 4
 4
     
1,2
1
1
1
1
   
  SrO
  ZrO2
  V2O5
  Nb2O5
  Cr
     
  %
  %
  %
  %
  %
     
      0.035
      0.013
      0.015
      0.122
      0.053
     
    < 0.001
    < 0.001
      0.001
      0.003
      0.001
     
 4
 3
 3
 4
 3
     
1
1
1
1
1
   
  Mo
  Co
  Ni
  Cu
  Zn
     
  %
  %
  %
  %
  %
     
      0.0012
    < 0.0003
      0.0018
      0.0010
    < 0.0006
     
      0.0001
      -.-
      0.0001
      0.0002
      -.-
     
 3
 3
 3
 3
 3
     
3
3,4
3
3
3
   
  Cd
  B
  Tl
  Pb
  As
     
  %
  %
  %
  %
  %
     
      0.00005
      0.0104
    < 0.0001
      0.0001
    < 0.0001
     
      0.00001
      0.0003
      -.-
    < 0.0001
      -.-
     
 3
 3
 3
 3
 3
     
4
4
4
4
4
   
  Se
     
  %
     
      0.0093
     
      0.0002
     
 3
     
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