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

CERTIFIED REFERENCE MATERIAL
SX57-06
Uncover compound

Version: 003      Date of certification: 27.05.08      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
 
  %
  %
  %
  %
  %
 
      1.04
     87.92
      0.125
      0.291
      0.755
 
      0.01
      0.11
      0.010
      0.001
      0.004
 
 3
 3
 3
 3
 3
 
1
1
1
1
1
 
  S
  Al2O3
  MgO
  TiO2
  Na2O
 
  %
  %
  %
  %
  %
 
      0.242
      0.073
      0.526
      0.231
      0.124
 
      0.012
      0.007
      0.007
      0.001
      0.004
 
 3
 3
 3
 3
 3
 
2
1
1
1
3
 
  K2O
  C tot.
  CO2
  H2O 900°C
 
  %
  %
  %
  %
 
      3.10
      3.62
      0.056
      1.38
 
      0.01
      0.03
      0.003
      0.02
 
 3
 3
 3
 3
 
1
2
4
5
* Measuring method
1: X-ray fluorescence spectrometry
2: Combustion with IR-detection
3: Atomic absorption spectrometry
4: Digestion by acids, coulometric detection
5: detection with IR-/ UV-absorption after combustion