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

CERTIFIED REFERENCE MATERIAL
SX32-33
BF-slag

Version: 002      Date of certification: 04.09.12      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
  %
%
%
%
%
     36.30
41.53
1.72
0.907
0.026
      0.08
0.09
0.01
0.003
0.003
 6
3
5
5
5
1
1
1
1
1
  S
Al2O3
MgO
TiO2
Na2O
  %
%
%
%
%
      0.804
11.53
5.27
0.621
0.193
      0.017
0.06
0.02
0.003
0.003
 9
6
6
6
3
1,2
1
1
1
3
  K2O
SrO
BaO
ZrO2
V2O5
  %
%
%
%
%
      0.462
0.047
0.082
0.046
0.019
      0.004
0.001
0.004
0.004
0.001
 6
6
6
5
6
1
1
1
1
1
  Cr2O3
  %
      0.021
      0.002
 5
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