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

CERTIFIED REFERENCE MATERIAL
SX62-06
Cupola dust

Version: 004      Date of certification: 23.09.10      Sample form: Powder < 0.100 mm

Analyte Unit Certified value Confidence
interval (95%)		 No. of independent
repeated series		 Measuring
method*		 
  CaO
  SiO2
  Fe2O3
  Mn
  Mn3O4
 
  %
  %
  %
  %
  %
 
      0.090
      0.430
      0.572
      0.04
      0.061
 
      0.002
      0.004
      0.002
    < 0.01
      0.001
 
 3
 3
 3
 3
 3
 
1
1
1
1
1
 
  P2O5
  S
  Al2O3
  MgO
  TiO2
 
  %
  %
  %
  %
  %
 
      0.191
      0.305
      0.220
      0.020
      0.014
 
      0.002
      0.005
      0.002
      0.003
      0.001
 
 3
 3
 3
 3
 3
 
1
1
1
1
1
 
  Na2O
  K2O
  Cr2O3
  Ni
  Cu
 
  %
  %
  %
  %
  %
 
      0.085
      0.086
      0.048
      0.297
      2.021
 
      0.001
      0.001
      0.002
      0.008
    < 0.001
 
 3
 3
 3
 3
 3
 
2
2
1
1
1
 
  ZnO
  SnO2
  F
  C tot.
  H2O 900°C
 
  %
  %
  %
  %
  %
 
     91.1
      0.047
      0.071
      2.57
      1.17
 
      0.2
      0.004
      0.001
      0.01
      0.01
 
 3
 2
 4
 3
 3
 
1
1
3
4
5
* Measuring method
1: X-ray fluorescence spectrometry
2: Atomic absorption spectrometry
3: Specific ion electrode end point
4: Combustion with IR-detection
5: detection with IR-/ UV-absorption after Combustion
 

Comment
Thermal treatment of material before weighing: 105°C, 4 h