Room 6875, JEH-FBI Bldg., 10th & Pennsylvania Ave., NW, Washington DC 20535

66 -- X-RAY FLUORESCENCE SPECTROMETER SYSTEM SOL RFP-6979 POC Jim Driscoll, Contract Specialist, 703-814-4910. The Federal Bureau of Investigation (FBI) has a requirement for an X-Ray Fluorescence Spectrometer System. The system must be brand name or equal to a Kevex EDX-771 Secondary Target EDXRF Spectometer, meeting the following salient characteristics: secondary x-ray excitation capability with a minimum of six secondary targets, selectable by remote command and without venting chamber; x-ray source minimum operating voltage of 5KV or less, maximum operating voltage of 60KV or greater, ability to vary operating current between .02mA and 3.3mA, maximum power dissipation at target of between 180 and 500 watts, rhodium anode, current and voltage selectable by remote command; capability for direct exicitation from the primary x-ray source and remote selection of multiple X-ray filters without the need for chamber atmosphere recycling; system shall have a selectable operating environment to include a helium, vacumm, and air operating enviroments capability; detector shall be made of lithium drifted silicon and have an active area of 30mm 2, the detector window will consist of beryllium and shall be no more than 5 microns in thickness, the liquid nitrogen dewar supporting the detector shall have a capacity of between 25 and 40 liters; System workstation computer shall be a pentium or equivalent; System software shall operate under Windows or Windows 95 operating environment, and shall include the following capabilities -- quantitative materials analysis, quatitative materials analysis, quantitative library matching, spectral comparison processing, report generation, and automation of procedures; Sample tray will have a minimum of 12 sample positions which can be changed remotely and without recycling the chamber atmosphere; Sample chamber shall have an illuminated viewing port to allow verification of sample position and identity, chamber dimensions shall be 12 inches X 14 inches X 4 inches, or greater, and configured so as to allow for the analysis of irregular shaped objects; System will operate on a 120 volt service and input current shall not be more than 20 amps. Other required items include: CFP software module; high resolution detector; helium flush system; optional secondary targets of tin (Sn), molybdenum (Mo), and yttruim (y) secondary target holders, (Qty of 3); large bulk sample holder, memory upgrade (16 MB); and surfer/gragher software. All request for solicitations shall be in writing, referencing RFP-6979, and be postmarked no later than 15 calendar days from the date of this publication. All inquires shall be in writing to the FBI, Attn: James F. Driscoll, TCAU, PO Box 221286, Chantilly VA 22022-1286. No telephone inquiries will be accepted. (0171)

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