"Excellence Laboratory Technische Compliance Level III" by GAZ GmbH (Attestation no. GAZ-TCL-12-02-14-01)

CERTIFIED REFERENCE MATERIAL
SX37-13
Coke ash

Version: 001      Date of certification: 23.10.17      Sample form: Powder < 0.100 mm
Analyte Unit Certified value Confidence
interval (95%)		 No. of independent
repeated series		 Measuring
method*		 
  CaO
  SiO2
  Fe2O3
  MnO
  P2O5
     
  %
  %
  %
  %
  %
     
      4.16
     49.74
      8.57
      0.172
      0.215
     
      0.02
      0.07
      0.02
      0.001
      0.001
     
 5
 4
 3
 3
 5
     
1
1
1
1
1
   
  S
  Al2O3
  MgO
  TiO2
  Na2O
     
  %
  %
  %
  %
  %
     
      0.228
     26.33
      2.94
      1.095
      0.568
     
      0.008
      0.09
      0.02
      0.009
      0.009
     
 4
 3
 5
 5
 5
     
1,2
1
1
1
1,3
   
  K2O
  SrO
  BaO
  ZrO2
  V2O5
     
  %
  %
  %
  %
  %
     
      4.120
      0.056
      0.170
      0.028
      0.060
     
      0.047
      0.001
      0.001
      0.004
      0.002
     
 5
 5
 5
 4
 5
     
1
1
1
1
1
   
  Cr2O3
  Co3O4
  NiO
  CuO
  ZnO
     
  %
  %
  %
  %
  %
     
      0.046
      0.011
      0.026
      0.037
      0.232
     
      0.001
      0.001
      0.003
      0.003
      0.001
     
 5
 3
 5
 4
 5
     
1
1
1
1
1
   
  PbO
     
  %
     
      0.209
     
      0.007
     
 4
     
1
* Measuring method
1: X-ray fluorescence spectrometry
2: Combustion with IR-detection
3: Atomic absorption spectrometry
 

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