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

CERTIFIED REFERENCE MATERIAL
SX66-04
Tundishslag

Version: 003      Date of certification: 25.01.06      Sample form: Powder < 0.125 mm

Analyte Unit Certified value Confidence
interval (95%)		 No. of independent
repeated series		 Measuring
method*		 
  CaO
  SiO2
  Fe2O3
  Mn3O4
  P2O5
 
  %
  %
  %
  %
  %
 
      1.609
     24.75
      4.62
      0.098
      0.084
 
      0.004
      0.07
      0.01
      0.002
      0.001
 
 3
 3
 3
 3
 3
 
1
1
1
1
1
 
  SO3
  Al2O3
  MgO
  TiO2
  Na2O
 
  %
  %
  %
  %
  %
 
      0.026
      1.884
     64.45
      0.141
      0.516
 
      0.002
      0.012
      0.07
      0.006
      0.009
 
 3
 3
 3
 3
 4
 
2
1
1
1
3
 
  K2O
  Cr2O3
  NiO
  CO2
  C tot.
 
  %
  %
  %
  %
  %
 
      0.089
      0.255
      0.165
      0.35
      0.471
 
    < 0.001
      0.023
      0.002
      0.03
      0.004
 
 4
 3
 3
 3
 3
 
1
1
1
4
2
 
  H2O 900°C
 
  %
 
      1.02
 
      0.01
 
 3
 
5
* Measuring method
1: X-ray fluorescence spectrometry
2: Combustion with IR-detection
3: Atomic absorption spectrometry
4: Digestion by acids, coulometric detection
5: Combustion with detection with IR-/ UV-absorption