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

CERTIFIED REFERENCE MATERIAL
SX29-01
BF casthouse dust

Version: 003      Date of certification: 27.07.06      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
 
  %
  %
  %
  %
  %
 
      5.28
      4.28
     59.37
      0.367
      0.153
 
      0.02
      0.02
      0.13
      0.007
      0.002
 
 6
 6
 3
 6
 6
 
1
1
1
1
1
 
  S
  Al2O3
  MgO
  TiO2
  Na2O
 
  %
  %
  %
  %
  %
 
      0.488
      0.961
      1.147
      0.068
      0.119
 
      0.007
      0.013
      0.014
      0.001
      0.001
 
 6
 6
 6
 6
 3
 
1
1
1
1
2
 
  K2O
  V2O5
  Cr2O3
  NiO
  ZnO
 
  %
  %
  %
  %
  %
 
      0.778
      0.020
      0.038
      0.015
      0.267
 
      0.002
      0.002
      0.002
      0.001
      0.001
 
 6
 4
 4
 4
 6
 
1
1
1
1
1
 
  PbO
 
  %
 
      0.006
 
      0.001
 
 3
 
1
* Measuring method
1: X-ray fluorescence spectrometry
2: Atomic absorption spectrometry

Comment
Thermal treatment of material before weighing: 600°C, 1 h