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

CERTIFIED REFERENCE MATERIAL
SX57-04
Uncover compound

Version: 002      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
 
  %
  %
  %
  %
  %
 
      0.302
     92.49
      0.090
      0.067
      0.273
 
      0.010
      0.08
      0.001
    < 0.001
      0.001
 
 3
 3
 3
 3
 3
 
1
1
1
1
1
 
  S
  Al2O3
  MgO
  Na2O
  K2O
 
  %
  %
  %
  %
  %
 
      0.071
      0.198
      0.362
      0.070
      0.97
 
      0.004
      0.007
      0.010
      0.001
      0.01
 
 3
 3
 3
 3
 3
 
2
1
1
3
1
 
  C tot.
  CO2
  H2O 900°C
 
  %
  %
  %
 
      3.60
      0.008
      1.38
 
      0.02
      0.001
      0.01
 
 3
 3
 3
 
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