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History


Over 100 Years of Analytical Instrumentation from Hanau




Dennstedt apparatus around 1900



1897   Heraeus developed furnaces, quartz glassware and precious metal chemicals for elemental analysis 

1904   Dennstedt patent "Über die vereinfachte Elementaranalytik", basis for the 1st instrument generation 

1923   Nobel price for F. Pregel, in honor for fundametal research in micro elemental analysis by means of Heraeus analytical technique 

1932    first CHN-analyzer 

1964    Rapid N
First Dumas Nitrogen/Protein analyzer 

1973    Rapid C
High temerature TOC analyzer 

1980    CHN-O-Rapid
Fully automatic elemental analyzer with TCD detection 

1989    macro N
Heraeus developed the first Dumas analyzer for macro samples up to 5g weight 

1991    rapid N
Fast Nitrogen/ Protein analyzer for 1g samples 

1992    vario EL
First universal CHNOS analyzer for micro and macro samples from Elementar 

1995    highTOC
Total Carbon + Nitrogen analyzer by means of the dynamic zone combustion for matrix separation 

1999    vario MAX
New generation of macro elemental analyzer for N, CN, CNS and CHN in macro samples. 

2002    vario TRACE S/N liquid injection
mineral oils analyzer with 10 ppb detection limit 

2002    liquiTOC
compact TOC+ TNb anlyzer 

2003    vario MACRO
First universal CHNOS analyzer for macro samples from Elementar