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

CERTIFIED REFERENCE MATERIAL
SE21-372
unalloyed steel

Version: 004      Date of certification: 30.06.17      Sample form: Milling 0.200-1.400 mm
Analyte Unit Certified value Confidence
interval (95%)		 No. of independent
repeated series		 Measuring
method*		 
  C
  S
  N
     
  %
  %
  %
     
      0.1720
      0.0011
      0.0120
     
      0.0007
      0.0001
      0.0002
     
 3
 3
 3
     
1
2
3
* Measuring method
1: Combustion with coulometric detection
2: Combustion with IR-detection
3: Hot extraction with HC and IR detection