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

CERTIFIED REFERENCE MATERIAL
SX29-02
BF casthouse dust

Version: 002      Date of certification: 25.07.06      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
 
  %
  %
  %
  %
  %
 
      3.12
      3.28
     61.67
      0.341
      0.165
 
      0.02
      0.03
      0.14
      0.006
      0.005
 
 3
 3
 3
 3
 3
 
1
1
1
1
1
 
  S
  SO3
  Al2O3
  MgO
  TiO2
 
  %
  %
  %
  %
  %
 
      0.577
      1.44
      0.823
      0.678
      0.053
 
      0.025
      0.06
      0.013
      0.013
      0.001
 
 3
 3
 3
 3
 3
 
1
1
1
1
1
 
  Na2O
  K2O
  Cr2O3
  NiO
  ZnO
 
  %
  %
  %
  %
  %
 
      0.138
      0.84
      0.037
      0.016
      0.271
 
      0.002
      0.02
      0.002
      0.002
      0.002
 
 3
 3
 3
 3
 3
 
2
1
1
1
1
 
  PbO
 
  %
 
      0.017
 
      0.002
 
 3
 
1
* Measuring method
1: X-ray fluorescence spectrometry
2: Atomic absorption spectrometry

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