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High Purity Solvents "QC'd for LC by LC" Solvenls From Wal»rs Quality Com-OIIM By
THE ULTIMATE SPECTROSCOPIC DETECTOR:
Meet or exceed all conventional stan dards for high quality solvents: • minimal residue • particulate free • low background absorbance • controlled moisture content
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SEP-PAK™ Car tridges save time and money. These small inexpensive cartridges clean up samples and concentrate com ponents for effi cient analysis — by any analytical method.
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RETICON HAS IT.
CIRCLE 236 O N READER SERVICE CARD
Fast, Easy & Efficient Sample Preparation
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The Fteticon type RL-1024S is the first solid state image sensor designed specifically for spectroscopy applications. Some key features of this device are: •
Simultaneous integration on 1024 individual sensor elements with 25μ center-to-center spacing • Internally self-scanned to provide real time computer compatible serial electronic output • Integration and readout times as short as 1 msec for time resolved spectroscopy • Integration times as long as 100 msec at 2 0 ° C (or as long as minutes or hours with cooled operation) for low light level applications
CIRCLE 237 ON READER SERVICE CARD
LC Packings, Packed Columns & Chemicals A complete descriptive cata log of the full range of Waters high quality col umns, packing materials and sup plies for LC.
CIRCLE 238 ON READER SERVICE CARD
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Waters
The Liquid Chromatography
Each sensor element has 100:1 aspect ratio (25 μηι center-to-center by 2.5 mm wide.)
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Wide dynamic range (greater than 10,000:1) Wide spectral response range (200-1,000 nm) All solid state stability and reliability Plug-in integrated circuit type package Choice of quartz window or fiber optic face plate Complete clock drive and amplifier circuits available Shorter S-series devices with 512 or 128 elements also available. For a detailed data sheet call or write:
People
Waters Associates, Inc. M a p l e Street, M i l f o r d , M A 01757 (617)478-2000
EG&G
RETICON
345 P o t r e r o A v e n u e , S u n n y v a l e , C a l i f o r n i a 94086 (408) 738-4266 T W X : 910-339-9343 CIRCLE 182 ON READER SERVICE CAR» A N A L Y T I C A L CHEMISTRY, VOL. 5 0 , NO. 14, DECEMBER
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