INTERFERENCES IN FURNACE ATOMIC ABSORPTION A Thing of the P a s t . . .
Allied Analytical Systems offers an approach to furnace atomic absorption that takes the worry out of furnace interferences. Our new system is based on the following: • The NEWIL755CTF™ Controlled-Temperature Furnace Atomizer with the Delayed Atomization Cuvette (DAC) which reduces vapor phase interferences by delaying atomization and causing atoms to be released into a hotter temperature environment. • The ILFAS7"/4C®II autosampler,a flame/furnace aerosol sampling system that not only automates sample introduction, but actually reduces solid phase interferences by eliminating the drying step associated with conventional autosamplers. • The SMITH-HIEFTJE System. A surprisingly simple but effective background correction system for correcting broadband and structured background over the entire wavelength range of atomic absorption. • Video graphics for visualization of uncorrected and background corrected signals. Send in coupon for FREE applications information on our total AA system. • 1 Trace Metals in Urine • 2 Priority Pollutants in Drinking Water • 3 Toxic Metals in Food • 4 Contaminants in High Temperature Nickel Alloys • 5 Delayed Atomization Techniques to Reduce Background Correction Problems NAME COMPANY ADDRESS CITY
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Or contact: Allied Analytical Systems, 590 Lincoln Street, Waltham, MA 02254, Telephone: (617)890-4300.
ALLIED Analytical Systems CIRCLE 3 ON READER SERVICE CARD 550 A · ANALYTICAL CHEMISTRY, VOL. 57, NO. 4, APRIL 1985
News sandstone aquifer near Zurich. Fewer than 1000 krypton-81 atoms were isolated from the groundwater samples. According to Bernard Lehman, a collaborating geochemist at the University of Bern, this first test proved that counting the small numbers of krypton-81 atoms necessary to make an estimate of the age of water could actually be done. Among the applications of this method, Lehman says, could be improved siting of locations for the disposal of radioactive wastes.
NBS Budget for FY 1986 A total of $120 million is allotted for the National Bureau of Standards in the fiscal year 1986 budget proposal sent by the president to Congress. This budget request is $4 million less than the bureau's fiscal year 1985 appropriation of $124 million. Included are program increases totaling $16.4 million and cost-of-living and other built-in changes of $4.9 million. Proposed program increases are process and quality control measurements ($1.9 million), biotechnology ($3 million), advanced ceramics ($3.5 million), and cold neutron source ($8 million). The proposed budget also includes program reductions of $16.5 million and decreases of $8.8 million attributable to the Deficit Reduction Program. Proposed program reductions are building research ($3.1 million), computer sciences and technology ($5 million), fire research ($5.1 million), and equipment replacement ($3.3 million). Hearings on this budget proposal began the first week in March.
Call for Papers 1986 Winter Conference on Plasma Spectrochemistry Lahaina, Maui, Hawaii. Jan. 3-10, 1986. The conference will feature developments in atomic plasma spectrochemical analysis by inductively coupled plasma, dc plasma, and microwave plasma excitation sources. Papers describing original work in atomic plasma spectrochemistry applications, fundamentals, and instrument development are being solicited. Title and 50-word abstract are due July 1,1985. For further information contact Ramon Barnes, 1986 Winter Conference Chairman, Department of Chemistry, GRC Towers, University of Massachusetts, Amherst, Mass. 01003-0035 (413-545-2294).
