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

CERTIFIED REFERENCE MATERIAL
SX29-03
BF casthouse dust

Version: 001      Date of certification: 30.01.07      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
 
  %
  %
  %
  %
  %
 
      2.00
      2.44
     63.01
      0.425
      0.158
 
      0.01
      0.02
      0.07
      0.007
      0.002
 
 4
 3
 3
 4
 4
 
1
1
1
1
1
 
  S
  Al2O3
  MgO
  TiO2
  Na2O
 
  %
  %
  %
  %
  %
 
      0.392
      0.701
      0.502
      0.058
      0.111
 
      0.005
      0.016
      0.004
      0.001
      0.001
 
 4
 4
 4
 4
 3
 
1
1
1
1
2
 
  K2O
  V2O5
  Cr2O3
  NiO
  CuO
 
  %
  %
  %
  %
  %
 
      0.705
      0.020
      0.040
      0.012
      0.006
 
      0.003
      0.002
      0.001
      0.001
      0.002
 
 4
 3
 3
 3
 3
 
1
1
1
1
1
 
  ZnO
  PbO
 
  %
  %
 
      1.19
      0.018
 
    < 0.01
      0.001
 
 4
 3
 
1
1
* Measuring method
1: X-ray fluorescence spectrometry
2: Atomic absorption spectrometry

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