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

CERTIFIED REFERENCE MATERIAL
SX32-34
BF-slag

Version: 004      Date of certification: 08.10.12      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
 
  %
  %
  %
  %
  %
 
     37.22
     41.28
      0.742
      0.970
      0.88
 
      0.10
      0.23
      0.004
      0.003
      0.02
 
 4
 4
 6
 6
 8
 
1
1
1
1
1,2
 
  Al2O3
  MgO
  TiO2
  Na2O
  K2O
 
  %
  %
  %
  %
  %
 
     11.27
      5.37
      0.618
      0.322
      0.890
 
      0.05
      0.02
      0.004
      0.001
      0.003
 
 5
 6
 5
 3
 5
 
1
1
1
3
1
 
  SrO
  BaO
  ZrO2
  V2O5
  Cr2O3
 
  %
  %
  %
  %
  %
 
      0.048
      0.087
      0.042
      0.016
      0.018
 
    < 0.001
      0.002
      0.003
      0.001
      0.003
 
 5
 5
 3
 3
 3
 
1
1
1
1
1
* Measuring method
1: X-ray fluorescence spectrometry
2: Combustion with IR-detection
3: Atomic absorption spectrometry
 

Comment
Thermal treatment of material before weighing: 105°C, 1 h