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

CERTIFIED REFERENCE MATERIAL
SX32-28
BF-slag

Version: 005      Date of certification: 27.03.23      Sample form: Powder < 0.125 mm
Analyte Unit Certified value Confidence
interval (95%)
No. of independent
repeated series
Measuring
method*
  CaO
SiO2
Fe
Mn
P2O5
  %
%
%
%
%
     35.66
38.69
0.332
1.342
0.014
      0.08
0.18
0.004
0.005
0.001
 6
3
6
6
5
1
1
1
1
1
  S
Al2O3
MgO
TiO2
Na2O
  %
%
%
%
%
      0.812
11.93
8.56
0.638
0.388
      0.019
0.03
0.05
0.006
0.002
 8
5
6
6
4
1,2
1
1
1
3
  K2O
SrO
BaO
ZrO2
V2O5
  %
%
%
%
%
      1.235
0.062
0.097
0.035
0.007
      0.005
0.001
0.002
0.005
0.001
 6
4
3
4
3
1
1
1
1
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