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

CERTIFIED REFERENCE MATERIAL
SX66-05
Tundish g. Mat.

Version: 004      Date of certification: 05.09.11      Sample form: Powder < 0.125 mm

Analyte Unit Certified value Confidence
interval (95%)
No. of independent
repeated series
Measuring
method*
  CaO
SiO2
Fe2O3
MnO
P2O5
  %
%
%
%
%
      1.35
27.08
4.94
0.105
0.041
      0.01
0.09
0.02
0.001
< 0.001
 5
3
4
5
3
1
1
1
1
1
  S
Al2O3
MgO
TiO2
Na2O
  %
%
%
%
%
      0.019
1.252
62.58
0.090
0.347
      0.003
0.006
0.16
0.002
0.011
 5
5
3
5
4
1,2
1
1
1
3
  K2O
Cr2O3
Co3O4
NiO
C tot.
  %
%
%
%
%
      0.072
0.223
0.010
0.220
0.38
      0.002
0.010
< 0.001
0.002
0.02
 5
5
3
5
3
1
1
1
1
2
* 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