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

CERTIFIED REFERENCE MATERIAL
SX28-01
Cont.cast.powder

Version: 001      Date of certification: 18.03.13      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
  %
%
%
%
%
     23.08
55.0
0.467
0.033
0.044
      0.05
0.2
0.004
0.001
0.002
 6
3
5
5
6
1
1
1
1
1
  S
Al2O3
MgO
TiO2
Na2O
  %
%
%
%
%
      0.245
3.58
4.80
0.069
1.33
      0.007
0.01
0.01
0.003
0.02
 8
7
7
4
4
1,2
1
1
1
1
  K2O
SrO
BaO
F
  %
%
%
%
      1.092
0.019
0.019
0.047
      0.005
< 0.001
0.003
0.001
 7
3
3
4
1
1
1
3
* Measuring method
1: X-ray fluorescence spectrometry
2: Combustion with IR-detection
3: Specific ion electrode end point
 

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