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Use of pyrolysis—gas chromatography/mass spectrometry in the study of lignin assays

✍ Scribed by J.B. Reeves III; G.C. Galletti


Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
824 KB
Volume
24
Category
Article
ISSN
0165-2370

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Pyrolysis/gas chromatography/mass spectr
✍ M. Nali; V. Calemma; L. Montanari 📂 Article 📅 1994 🏛 John Wiley and Sons 🌐 English ⚖ 501 KB

Two n-heptane-precipitated asphaltene samples, characterized by elemental analysis and nuclear magnetic resonance spectrometry, were fractionated according to relative molecular size by gel permeation chromatography (CPC). Both the whole asphaltene samples and their fractions were analysed by pyroly