CHN analysis
[/siːeɪtʃˈɛn əˈnælɪsɪs/]
nounpl: CHN analyses
análise de CHN
1. An analytical technique used in chemistry to determine the percentage composition of carbon, hydrogen, and nitrogen in organic compounds
CHN analysis revealed that the organic sample contained 65% carbon, 8% hydrogen, and 12% nitrogen.
A análise de CHN revelou que a amostra orgânica continha 65% de carbono, 8% de hidrogênio e 12% de nitrogênio.
2. Elemental combustion analysis specifically targeting C, H, and N elements in a substance
The researchers used CHN analysis to verify the purity of the synthesized compound.
Os pesquisadores usaram análise de CHN para verificar a pureza do composto sintetizado.
CHN analysis is a standard laboratory procedure taught in chemistry programs worldwide. The term is used consistently across Brazil, Portugal, and English-speaking countries without significant regional variations. It is primarily found in academic and professional chemistry contexts rather than in colloquial speech.
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