Laboratory
"Excellence Laboratory Technische Compliance Level III" by GAZ GmbH (Attestation no. GAZ-TCL-12-02-14-01)

CERTIFIED REFERENCE MATERIAL
SX59-05
Cover.powder (b)

Version: 003      Date of certification: 10.04.19      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
  %
%
%
%
%
     46.51
22.89
0.441
< 0.062
0.039
      0.10
0.09
0.010
-.-
0.001
 6
5
6
4
4
1
1
1
1
1
  S
Al2O3
MgO
TiO2
Na2O
  %
%
%
%
%
      0.074
19.35
9.24
0.037
0.443
      0.004
0.05
0.11
0.003
0.010
 4
6
6
6
4
1
1
1
1
1,2
  K2O
     
  %
     
      0.322
     
      0.003
     
 6
     
1
   
* Measuring method
1: X-ray fluorescence spectrometry
2: Atomic absorption spectrometry

Comment
Thermal treatment of material before weighing: 900°C, 1 h