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

CERTIFIED REFERENCE MATERIAL
SX45-02
Slide sand

Version: 001      Date of certification: 07.05.08      Sample form: Powder < 0.080 mm

Analyte Unit Certified value Confidence
interval (95%)		 No. of independent
repeated series		 Measuring
method*		 
  CaO
  SiO2
  Fe tot.
  Mn3O4
  P2O5
 
  %
  %
  %
  %
  %
 
      0.038
     65.97
      6.31
      0.074
      0.007
 
      0.004
      0.07
      0.09
      0.012
      0.001
 
 4
 4
 3
 4
 4
 
1
1
1
1
1
 
  Al2O3
  MgO
  TiO2
  Na2O
  K2O
 
  %
  %
  %
  %
  %
 
      5.69
      3.24
      0.203
      0.062
      0.693
 
      0.03
      0.03
      0.002
      0.002
      0.007
 
 4
 4
 4
 3
 4
 
1
1
1
2
1
 
  V2O5
  Cr2O3
  NiO
  C tot.
  H2O 900°C
 
  %
  %
  %
  %
  %
 
      0.110
     14.75
      0.033
      0.471
      0.177
 
      0.002
      0.04
      0.002
      0.002
      0.001
 
 4
 3
 4
 3
 3
 
1
1
1
3
4
* Measuring method
1: X-ray fluorescence spectrometry
2: Atomic absorption spectrometry
3: Combustion with IR-detection
4: Detection with IR-/ UV-absorption after combustion

Comment
Thermal treatment of material before weighing: 105°C, 4 h