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

CERTIFIED REFERENCE MATERIAL
SE21-54
unalloyed steel

Version: 001      Date of certification: 17.07.08      Sample form: Milling 0.200-1.400 mm

Analyte Unit Certified value Confidence
interval (95%)
No. of independent
repeated series
Measuring
method*
  S
  %
      0.0472
      0.0006
12
1
* Measuring method
1: Combustion with IR-detection