Tracor 812 Analytical Processor Highest Precision Peak detection software uses both first and second derivative of chromatographic signal to interpret the chromatogram precisely. Easiest to operate User communicates with system by responding to system-initiated dialogue in chromatographic terms, not obscure codes. Widest Capability Multi instrument input, multi terminal output. Control of external events. CPU is powerful mini-computer. Easily expandable. For any liquid or gas chromatographs. Clear, Concise Reporting Contact us for a
Tracor Instruments
demonstration.
Tracor, Inc. 6500 Tracor Lane Austin, Texas 78721 Telephone 512:926 2800 CIRCLE 208 ON READER SERVICE CARD
Why oyer 6000 Chromatographers prefer the HP 5700 series
High performance, low cost, reliability, precise digital control settings, efficient oven, easy-toclean detectors, compact design and HP quality construction are the reasons why chromatographers have made the HP 5700 one of the most popular gas chromatographs ever produced. Now there are more reasons to choose HP 5700. • New nitrogen-phosphorus flame ionization detector. Simplifies sample clean-up by providing highly selective response for compounds containing nitrogen or phosphorus.
• New glass capillary inlet system. Easy conversion between split mode for major components or purged splitless mode for trace level components. For details, on these and other new features, call your local HP office or contact the address below.
HEWLETT
hp
PACKARD
Sales and service from 1 72 offices in 65 countries. Route 4 1 , Avondale, Pennsylvania 19311 For assistance call Washington (301) 948-6370. Chicago (312) 677-0400, Atlanta (404) 434-4000, Los Angeles (213) 877-1282. Toronto (416) 678-9430
CIRCLE 94 ON READER SERVICE CARD ANALYTICAL CHEMISTRY, VOL. 49, NO. 1, JANUARY 1977 · 73 A
