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

CERTIFIED REFERENCE MATERIAL
SX49-12
Olivine

Version: 004      Date of certification: 05.09.11      Sample form: Powder < 0.125 mm

Analyte Unit Certified value Confidence
interval (95%)		 No. of independent
repeated series		 Measuring
method*		 
  CaO
  SiO2
  Fe tot.
  MnO
  Al2O3
 
  %
  %
  %
  %
  %
 
      0.081
     41.6
      5.07
      0.096
      0.432
 
      0.003
      0.2
      0.02
      0.002
      0.014
 
 5
 4
 7
 7
 5
 
1
1
1
1
1
 
  MgO
  TiO2
  K2O
  Cr2O3
  Co3O4
 
  %
  %
  %
  %
  %
 
     49.18
      0.002
      0.014
      0.383
      0.016
 
      0.09
      0.001
      0.001
      0.012
      0.001
 
 5
 3
 3
 6
 3
 
1
1
1
1
1
 
  NiO
  CO2
  C tot.
  H2O 900°C
 
  %
  %
  %
  %
 
      0.354
      0.046
      0.054
      1.25
 
      0.001
      0.011
      0.003
      0.02
 
 7
 3
 4
 3
 
1
2
3
4
* Measuring method
1: X-ray fluorescence spectrometry
2: Digestion by acids, coulometric detection
3: Combustion with IR-detection
4: detection with IR-/ UV-absorption after Combustion

Comment
Thermal treatment before weighing: 105°C, 1 h