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

CERTIFIED REFERENCE MATERIAL
SX59-06
Cover.powder (b)

Version: 001      Date of certification: 23.08.10      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
 
  %
  %
  %
  %
  %
 
     33.29
     30.78
      0.598
      0.052
      0.037
 
      0.06
      0.17
      0.004
      0.002
      0.002
 
 3
 3
 4
 4
 4
 
1
1
1
1
1
 
  S
  Al2O3
  MgO
  TiO2
  Na2O
 
  %
  %
  %
  %
  %
 
      0.061
     14.34
     19.38
      0.037
      0.32
 
      0.002
      0.09
      0.08
      0.003
      0.02
 
 3
 3
 3
 3
 3
 
1
1
1
1
2
 
  K2O
  SrO
 
  %
  %
 
      0.210
      0.015
 
      0.002
      0.001
 
 3
 3
 
1
1
* Measuring method
1: X-ray fluorescence spectrometry
2: Atomic absorption spectrometry

Comment
Thermal treatment of material before weighing: 900°C, 1 h