| cee new plectronic potentiostats ANNOUNCING THE 4th MOSSBAUER SYMPOSIUM —nuclides NF —applications —methodology Time: Sunday, Jan. 28, 1968 1-9 p.m. (Day before APS) Place: Palmer House, Chicago,Illinois Admission is free, pre-registration requested Write for details LABELED CHEMICALS NEW ENGLAND NUCLEAR CORP, 575 ALBANY STAEET, BOSTON. MASS. 92118 0” O* enriched labeled compounds from the prime source Oxygen-17 Gas, 70 atom % 19 other standerd O!? enrichments as water or gas. Oxygen-18 Gas, 99 atom % 21 other standard O!8 enrichments as water or gas. Oxygen-17 and Oxygen-18 Labeled Compounds . SIM, water and gas and A new line of Wenking Electronic Potentiostats for various electrochemical investigations is now available, Three basic series are offered: a new laboratory model for routine requirements; a new standard series including several ‘high current’’ models (to +10A); and a new “‘fast rise" series for shortest rise times and/or high output voltages. Accessory systems, including a high precision voitmeter and motor potentiometers, are also available, For complete up-to-date information on the most widely used Electronic Potentiostats, request our Data File on the new Wenking models. AO different compounds labeled \ with either isotope. v Request complete 12-page Heavy Oxygen Enriched Materials catalog including over 100 general and selected references to Ol and O18 applications and analysis. MILES LABORATORIES,INC. Ter RESEARCH PROOUCTSDEPT. c/ ¢ Ss 8 DECEMBER 1967 Elkhart, Indiana 46814 U.S.A. 1369