Following the rules of solid phase sequence in binary mixtures of n-al
kanes, a new orthorhombic intermediate phase is observed in the rich n
-tetracosane concentration range, situated near the triclinic terminal
solid solution gamma(0)(C-24). The joint calorimetric (D.T.A) and str
uctural studies, realized on thirty-nine samples, complement the n-tri
cosane: n-tetracosane diagram. (C) 1997 Elsevier Science B.V.