(Received 21 August 1990; accepted 17 December 1990)
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Capillary zone electrophoresis was tried for analyzing water-soluble fiber-tip pen inks from documents. The separation process for the compounds—most of them move as anions—is usually less than 10 min. Some examples of possible applications, also combined with thin-layer chromatography, are given.
Research worker, Institut de Police Scientifique et de Criminologie, Lausanne,
Research worker, Istituto di Cromatografia del C. N. R., Area della Ricerca di Roma, Rome,
Stock #: JFS13135J