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

CERTIFIED REFERENCE MATERIAL
SX32-25
BF-slag

Version: 006      Date of certification: 15.06.22      Sample form: Powder < 0.125 mm
Analyte Unit Certified value Confidence
interval (95%)
No. of independent
repeated series
Measuring
method*
  Ca
SiO2
Fe
Mn
S
  %
%
%
%
%
     28.54
37.82
0.384
0.128
1.57
      0.07
0.04
0.008
0.001
0.04
 5
3
6
6
7
1
1
1
1
1,2
  Al2O3
MgO
TiO2
Na2O
K2O
  %
%
%
%
%
     12.75
7.63
0.246
0.089
0.115
      0.06
0.02
0.002
0.004
0.001
 5
6
6
5
6
1
1
1
1,3
1
  SrO
BaO
ZrO2
  %
%
%
      0.055
0.079
0.045
      0.002
0.015
0.002
 6
4
4
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: 105°C, 1 h