zone melting method of preconcentration

https://doi.org/10.1351/goldbook.Z06750
A technique based on the different @[email protected] of microcomponents in the liquid and solid matrix. It has a limited field of application for the analysis of fusible (and @[email protected]) substances.
Source:
PAC, 1979, 51, 1195. (Separation and Preconcentration of Trace Substances. I-Preconcentration for Inorganic Trace Analysis) on page 1200 [Terms] [Paper]