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

CERTIFIED REFERENCE MATERIAL
SX28-02
Cont.cast.powder

Version: 002      Date of certification: 23.09.10      Sample form: Powder < 0.125 mm

Analyte Unit Certified value Confidence
interval (95%)
No. of independent
repeated series
Measuring
method*
  Ca
SiO2
Fe2O3
MnO
P2O5
  %
%
%
%
%
     25.15
57.50
0.488
0.030
0.060
      0.05
0.18
0.007
0.001
0.002
 6
6
6
5
6
1
1
1
1
1
  S
Al2O3
MgO
TiO2
Na2O
  %
%
%
%
%
      0.132
3.09
0.981
0.055
1.097
      0.011
0.01
0.007
0.002
0.019
 6
5
6
6
4
1
1
1
1
1,2
  K2O
SrO
ZnO
F
  %
%
%
%
      0.830
0.020
0.004
0.074
      0.006
0.001
0.001
0.001
 5
4
3
4
1
1
1
3
* Measuring method
1: X-ray fluorescence spectrometry
2: Atomic absorption spectrometry
3: Specific ion electrode end point
 

Comment
Thermal treatment of material before weighing: 800°C, 1 h