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

CERTIFIED REFERENCE MATERIAL
SL77-01
Mn

Version: 006      Date of certification: 19.08.10      Sample form: Powder 0.200-0.400 mm

Analyte Unit Certified value Confidence
interval (95%)		 No. of independent
repeated series		 Measuring
method*		 
  Si
  Fe
  Mn
  P
  S
 
  %
  %
  %
  %
  %
 
      1.09
      2.07
     95.83
      0.056
      0.0160
 
      0.01
      0.02
      0.05
    < 0.001
      0.0001
 
 5
 5
 5
 5
 2
 
1
1
1
1
2
 
  Al
  Cr
  Co
  Ni
  Cu
 
  %
  %
  %
  %
  %
 
      0.0015
      0.403
      0.0012
      0.0071
      0.0069
 
      0.0003
      0.023
    < 0.0001
      0.0006
      0.0001
 
 5
 5
 4
 6
 6
 
3
1
3
1,3
1,3
 
  Zn
  C
 
  %
  %
 
      0.0011
      0.120
 
      0.0001
      0.003
 
 5
 5
 
3
4
* Measuring method
1: X-ray fluorescence spectrometry
2: Combustion with IR-detection
3: ICP with optical emission spectrometry
4: Combustion with coulometric detection