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

CERTIFIED REFERENCE MATERIAL
SX74-03
Mn-slag

Version: 001      Date of certification: 29.05.08      Sample form: Powder < 0.125 mm

Analyte Unit Certified value Confidence
interval (95%)		 No. of independent
repeated series		 Measuring
method*		 
  CaO
  SiO2
  Fe
  Mn
  S
 
  %
  %
  %
  %
  %
 
     15.95
     43.23
      0.088
      4.93
      0.818
 
      0.03
      0.09
      0.002
      0.01
      0.007
 
 3
 3
 3
 3
 3
 
1
1
1
1
1
 
  Al2O3
  MgO
  TiO2
  Na2O
  K2O
 
  %
  %
  %
  %
  %
 
     19.84
     12.34
      0.100
      0.433
      1.30
 
      0.03
      0.11
      0.001
      0.007
      0.01
 
 3
 3
 3
 3
 3
 
1
1
1
2
1
 
  SrO
  ZrO2
  Cr2O3
  CO2
  H2O 900°C
 
  %
  %
  %
  %
  %
 
      0.083
      0.039
      0.007
      0.032
      0.062
 
    < 0.001
      0.002
      0.001
      0.011
      0.019
 
 3
 3
 3
 3
 3
 
1
1
1
3
3
* Measuring method
1: X-ray fluorescence spectrometry
2: Atomic absorption spectrometry
3: detection with IR-/ UV-absorption after combustion