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

CERTIFIED REFERENCE MATERIAL
SX66-06
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
Mn3O4
P2O5
  %
%
%
%
%
      1.377
27.49
4.91
0.097
0.057
      0.008
0.05
0.01
0.002
0.001
 4
3
4
4
4
1
1
1
1
1
  SO3
Al2O3
MgO
TiO2
K2O
  %
%
%
%
%
      0.052
1.301
62.70
0.101
0.069
      0.003
0.007
0.07
0.002
0.001
 6
4
3
4
4
1,2
1
1
1
1
  Cr2O3
NiO
C tot.
H2O 900°C
  %
%
%
%
      0.216
0.216
0.38
1.15
      0.009
0.001
0.01
0.02
 3
3
3
3
1
1
2
3
* Measuring method
1: X-ray fluorescence spectrometry
2: Combustion with IR-detection
3: detection with IR-/ UV-absorption after Combustion
 

Comment
Thermal treatment before weighing: 105°C, 1 h