A fast method of zone melting as an aid in analytical chemistry

article


Bollen, N.J.G.

Essen, M.J. van

Smit, W.M.
A new zone-melting apparatus is described which allows relatively high zone speeds up to 100 cm/h. The time required for effective separations is only a few hours so that the apparatus can be used for analytical purposes. The difference between the theoretical and actual distribution coefficients obtained is small; the distribution coefficients of unknown substances in mixtures can thus be derived from the result of zone melting, which offers a means of identification. The apparatus is fully automated and normal freezing is incorporated as a first step. A means of preventing the breakage of the glass tube containers is described. The principles of operation and possible applications are discussed. © 1967.
Chemicals/CAS: antimony, 14374-79-9, 7440-36-0; bismuth, 7440-69-9; Antimony, 7440-36-0; Bismuth, 7440-69-9; Dyes; Naphthalenes
Topics












antimonybismuthdyenaphthalene derivativearticlechemistrycrystallizationAntimonyBismuthChemistry, AnalyticalCrystallizationDyesNaphthalenes
TNO Identifier
226997
Repository link
https://resolver.tno.nl/uuid:744aa30d-8438-499b-ae51-f95669085495
ISSN
0003-2670
Source
Analytica Chimica Acta, 38(C), pp. 279-284.
Pages
279-284
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