BRIEFS INVITATION TO BID ON PATENT RIGHTS FOR CYANIDE SPECIATION ANALYTICAL APPARATUS Patent license available for the manufacture and sale of a unique analytical apparatus for cyanide speciation developed by nationally acclaimed water reclamation research organization. Patent No. 4,265,857 "Method and Apparatus for Measuring Cyanide," is for a system which measures the amount of cyanide in a sample more precisely and conveniently than previously possi ble. The method is used with a system for separating a volatile component from a liquid in which the compo nent is entrained (Patent No. 4,804,631). The inven tions are patented in the United States, United King dom, Germany and Japan. Send written proposals to Purchasing Agent, at the ad dress below by March 15, 1990. The successful bid der will be notified shortly thereafter. Interested parties may arrange to inspect the appara tus and witness its operation at the Water Reclamation District's Egan R&D Laboratory, Des Plaines, Illinois. Telephone Mr. Richard Lanyon, Assistant Director of Research & Development (312/751-3040). For more information write Mr. George H. Wahl, Purchasing Agent, Metropolitan Water Reclamation District of Greater Chicago, 100 East Erie, Chicago, IL 60611.
Carbon-lsotopic Analysis of Dissolved Acetate
535
Isotopic analysis of acetate in compound mixtures is de scribed. Standard deviations of
