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

CERTIFIED REFERENCE MATERIAL
SX45-06
Slide sand

Version: 004      Date of certification: 24.09.08      Sample form: Powder < 0.125 mm

Analyte Unit Certified value Confidence
interval (95%)		 No. of independent
repeated series		 Measuring
method*		 
  SiO2
  Fe tot.
  Mn3O4
  S
  Al2O3
 
  %
  %
  %
  %
  %
 
     10.22
     17.51
      0.703
      0.007
     12.93
 
      0.04
      0.02
      0.006
      0.001
      0.03
 
 3
 3
 3
 4
 3
 
1
1
1
2
1
 
  MgO
  TiO2
  V2O5
  Cr2O3
  C tot.
 
  %
  %
  %
  %
  %
 
      8.18
      0.510
      0.382
     42.01
      0.700
 
      0.04
      0.010
      0.004
      0.15
      0.010
 
 3
 3
 3
 3
 4
 
1
1
1
1
2
 
  H2O 900°C
 
  %
 
      0.091
 
      0.009
 
 3
 
3
* Measuring method
1: X-ray fluorescence spectrometry
2: Combustion with IR-detection
3: detection with IR-/ UV-absorption after Combustion
 

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