The experi
mental te
mperature-co
mposition phase diagra
m of the binary syste
m between hexadecane(C
16H
34) and 1-hexadecanol (C
16H
33OH) has been established by co
mbining ther
mal analysis and powderX-ray diffraction (XRD). Beforehand, crystal structures of the solid ordered phases of the co
mponentsinvolved were deter
mined fro
m XRD data. Hexadecane displays a triclinic for
m T
p belonging to thespace group
Pmages/entities/one
macr.gif">, with
Z = 1. The unit cell di
mensions are
a = 4.269 Å,
b = 4.811 Å,
c = 22.34 Å,
mages/gifchars/alpha.gif" BORDER=0>= 84.54
mages/entities/deg.gif">,
mages/gifchars/beta2.gif" BORDER=0 ALIGN="
middle"> = 67.43
mages/entities/deg.gif">, and
mages/gifchars/ga
mma.gif" BORDER=0 > = 73.00
mages/entities/deg.gif">. 1-Hexadecanol displays a
monoclinic for
m mages/gifchars/ga
mma.gif" BORDER=0 > belonging to thespace group
A2/
a with
Z = 8. The unit cell di
mensions are
a = 8.980 Å,
b = 4.939 Å,
c = 87.91 Å, and
mages/gifchars/beta2.gif" BORDER=0 ALIGN="
middle"> = 122.63
mages/entities/deg.gif">. The phase diagra
m between both co
mponents is characterized by two invariants, a eutectic(located at
T = 289.5 K) and a
metatectic (located at
T = 318.8 K). The
miscibility in the solid state isvery restricted, li
mited to the regions rich in C
16H
34 and C
16H
33OH. Resulting alloys have led to thedesign of a double-wall glass for the ther
mal protection of liquid products between 13 and 18
mages/entities/deg.gif">C, effectivefor 4.5 h in an external environ
mental te
mperature of 24
mages/entities/deg.gif">C.