Fraunhofer Institute for
Applied Polymer Research IAP
Fraunhofer Institute for
Applied Polymer Research IAP

Elementary analysis and functional groups determination

CHNS-O-Analysis (CHNS-O)

Analyte

  • Organic and inorganic substances in solid and liquid samples
  • Sample amount: 
  • 2 mg normally
  • 0.1 – 300 mg (depending on the nature of the sample)

 

Equipment

  • FlashEA 1112 CHNS/O Automatic Elemental Analyzer with 2 Autosamplers MAS200R (Thermo Scientific)

 

Targets

  • Simultaneous quantitative determination of percentage contents of carbon, hydrogen, nitrogen und sulfur
  • Quantitative determination of percentage contents oxygen
  • measuring range 0.01 – 100 %
  • accuracy:

Theoretical value

Experimental value
100 ppm 100 ppm ± 10 ppm
0,10 % 0,10 % ± 0,01
1,00 % 1,00 % ± 0,02
10,00 % 10,00 % ± 0,1
50,00 % 50,00 % ± 0,3
90,00 % 90,00 % ± 0,3

 

Applications

  • Organic elemental analysis
  • Protein concentration using N content determination

 

Measuring principle

  • CHNS-Analysis
  • O-Analysis
  • CHNO-O-Analysis (→ PDF)