Ditemukan 2 dokumen yang sesuai dengan query
ABSTRAK
Complex air sample extracts were prefractionated on acidic- and basic-buffered silica. Compound overlap between acidic and basic polar substance (e.g. substituted polycylyc aromatic hydrocarbons) was greatly reduced, facilitating identification by gas chromatography-mass spectrometry. Furthermore, additional information on compound acidity and polarity is obtained, which helps to characterize compounds with identical...
Netherlands: Elsevier Science B.V., 2018
540 JC
Majalah, Jurnal, Buletin Universitas Indonesia Library
Fox, John, author
New York: John Wiley & Sons, 1984
519.5 FOX l
Buku Teks Universitas Indonesia Library
