Phase Behavior of Undecane‐Dodecane Mixtures Confined in SBA‐15 | Zendy

Xiao Yan | Zendy; Pei Hai-rong | Zendy; Tongbo Wang | Zendy; Wenbo Liu | Zendy; Xiaozheng Lan | Zendy

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Phase Behavior of Undecane‐Dodecane Mixtures Confined in SBA‐15

Author(s) -

Xiao Yan,

Pei Hai-rong,

Tongbo Wang,

Wenbo Liu,

Xiaozheng Lan

Publication year - 2012

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.436

H-Index - 50

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2013/476236

Subject(s) - undecane , chemistry , differential scanning calorimetry , dodecane , phase diagram , mole fraction , melting point , phase (matter) , analytical chemistry (journal) , thermodynamics , crystallography , chromatography , stereochemistry , organic chemistry , physics

Phase behavior of undecane-dodecane mixtures (n-C11H24-C12H26, C11-C12) in bulk and confined in SBA-15 (pore diameters 3.8, 7.8, and 17.2 nm) has been studied by differential scanning calorimetry. Phase diagram of the confined C11-C12 system shows dependence on pore size, indicating simple behavior compared with the bulk. In the three systems, melting points of the confined C11, C12 and the mixtures (xC12 = 0.1–0.9) present a linear relation with the pore diameter from 3.8 to 17.2 nm. Melting behavior of the confined C11-C12 mixtures is closely as the confined C11, C12. Melting temperatures of the three systems have been fitted as a function of mole fraction xC12

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