Md Mahmudur Rahman et al.
Journal of chromatography. A, 1314, 241-248 (2013-09-28)
An experimental technique based on sorbent tube-thermal desorption-gas chromatography (ST-TD-GC) was investigated for the simultaneous determination of a cluster of eight volatile odorants (propionic acid, n-butyric acid, i-valeric acid, n-valeric acid, trimethylamine, phenol, indole, and skatole) and a reference compound