Year: 2008
Type: article
Abstract: APPROACH.This paper describes an experiment to teach the principles of gas chromatography exploring the boiling points and polarities to explain the elution order of a series of alcohols, benzene and n-propanone, as well as to teach the response factor concept and the internal standard addition method.Retention times and response factors are used for qualitative identification and quantitative analysis of a hypothetical contamination source in a simulated water sample.The internal standard n-propanol is further used for quantification of benzene and n-butanol in the water sample.This experiment has been taught in the instrumental analysis course offered to chemistry and oceanography students.
Source: Química Nova
Institution: Universidade de São Paulo
Language: Portuguese
Subfield: Education
Field: Social Sciences
Domain: Social Sciences
SDG: Quality education
Open Access status: gold
Estimated APC paid: $330
OpenAlex ID: W1975166604