These articles are intended to serve the readers of THIS JOURNAL by calliny attenlion to new developments i n the theoy, deaign, or availability of chemical laboratory instrumenlalion, or by presenting useful insights and ezplanations of topics that are of praclical importance to those who use, m Leach the use of, modern instrumentation and inslrumental techniques. The editor invites correspondence from prospective contributors.

So. Orange, N. J. 07079 Tfose articles are intended to serve the readers of this Journal by calling attention to new developments in the-theory, design, or availability of chemical laboratory instrumentation, or by presenting useful insights and explanations of topics that are of practical importance to those who use, or teach the use of, modern instrumentation and instrumental techniques. The editor invites correspondence from prospective contributors.