National Institutes of Health, Division of Procurement, AB-B, 6120 Executive Blvd., Eighth Floor, Rockville, MD 20892

95 -- PERKIN ELMER ATMOSPHERIC PRESSURE MASS SPECTROMETER (APT 300 TQMS) SOL 263-95-P(BP)-0119 POC Dawn Rabunsky, Contract Specialist, (301) 402-3075 Edward Wilgus, Contracting Officer, (301) 402-3070. The National Institutes of Health intends to procure an atmospheric Pressure Mass Spectrometer (APT 300 TQMS) from Perkin Elmer Sciex Instruments. The required dimensions of this instrument are as follows: 500 ml deep (19.7inches); 1300 ml long (51 inches), 520 ml high (2.5 inches). The required delivery time is 90 days. The Perkin-Elmer Sciex Api 300 TQMS must include the following characteristics: A micro iron electrospray assembly source that allows up to two orders of sensitivity and a spraying time of 30 minutes; Iron spray API source consisting of Plenum chamber, positive/negative ion operation, articulated sample inlet and direct atmosphere to vaccum interface module with curtain gas; An API analyzer which is comprised of high pressure RF only ion guide, followed by two 3000 amu quadrupole mass analyzers each with its own power supply separated by a proprietary open structure RF high pressure quadrupole collision; continous dynode electron multiplier (CEM) detector operated pluse counting mode capable of single positive/negative in the pluse counting mode capable of single positive/negative ion detection; the CEM must be polarity switchable designed between alternate scans; the API 300 must be designed to fit into a bench top; The API 300 package must include an ABI model 172 Micro Liquid chromatography system; twelve month warranty; the contractor will be responsible for installation; the contractor will be required to conduct a 5 day training course. All responsible sources may submit in writing a capability statement which demonstrates that they can meet the requirements. This capability statement must be received within 45 days of this publication. See note 22. (0081)

Loren Data Corp. http://www.ld.com (SYN# 0301 19950323\95-0001.SOL)