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

CERTIFIED REFERENCE MATERIAL
SX56-31
Iron ore sinter

Version: 004      Date of certification: 10.05.19      Sample form: Powder < 0.063 mm
Analyte Unit Certified value Confidence
interval (95%)
No. of independent
repeated series
Measuring
method*
  CaO
SiO2
FeO
Fe tot.
Mn
  %
%
%
%
%
      6.28
5.08
5.41
58.54
0.945
      0.01
0.02
0.06
0.09
0.005
 4
3
3
3
4
1
1
2
1
1
  P2O5
S
Al2O3
MgO
TiO2
  %
%
%
%
%
      0.107
0.007
1.42
2.01
0.076
      0.002
< 0.001
0.01
0.01
0.002
 4
4
3
4
4
1
1,3
1
1
1
  Na2O
K2O
V2O5
Cr2O3
NiO
  %
%
%
%
%
      0.046
0.247
0.005
0.015
0.005
      0.001
0.002
< 0.001
0.002
0.001
 3
4
3
3
3
4
1
1
1
1
  ZnO
     
  %
     
      0.040
     
      0.002
     
 4
     
1
   
* Measuring method
1: X-ray fluorescence spectrometry
2: Titrimetry
3: Combustion with IR-detection
4: Atomic absorption spectrometry

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