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

CERTIFIED REFERENCE MATERIAL
SX57-06
Uncover compound

Version: 003      Date of certification: 27.05.08      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
  %
%
%
%
%
      1.04
87.92
0.125
0.291
0.755
      0.01
0.11
0.010
0.001
0.004
 3
3
3
3
3
1
1
1
1
1
  S
Al2O3
MgO
TiO2
Na2O
  %
%
%
%
%
      0.242
0.073
0.526
0.231
0.124
      0.012
0.007
0.007
0.001
0.004
 3
3
3
3
3
2
1
1
1
3
  K2O
C tot.
CO2
H2O 900°C
  %
%
%
%
      3.10
3.62
0.056
1.38
      0.01
0.03
0.003
0.02
 3
3
3
3
1
2
4
5
* Measuring method
1: X-ray fluorescence spectrometry
2: Combustion with IR-detection
3: Atomic absorption spectrometry
4: Digestion by acids, coulometric detection
5: detection with IR-/ UV-absorption after combustion