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

CERTIFIED REFERENCE MATERIAL
SX51-21
Vacuum slag

Version: 002      Date of certification: 21.08.13      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
  %
%
%
%
%
     51.14
7.63
1.27
0.769
0.028
      0.06
0.08
0.01
0.001
0.001
 4
4
5
5
5
1
1
1
1
1
  S
Al2O3
MgO
TiO2
K2O
  %
%
%
%
%
      0.369
23.56
11.98
0.869
0.011
      0.016
0.10
0.04
0.004
< 0.001
 9
5
5
5
6
1,2
1
1
1
1
  SrO
ZrO2
V2O5
Nb2O5
Cr
  %
%
%
%
%
      0.031
0.232
0.012
0.109
0.039
    < 0.001
0.004
0.002
0.002
0.001
 4
5
5
5
4
1
1
1
1
1
* Measuring method
1: X-ray fluorescence spectrometry
2: Combustion with IR-detection

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