The best HPLC valves deserve SGE,) syringes Waters
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Rheodyne
J SGE manufactures it a complete range r of syringes for the ,„ :, three most popular , . HPLC syringe-loading ' sample valves. The syringes are fitted / with special needles to suit the needle port of the valve and for optimum precision each syringe is supplied with an adjustable repeating dispenser. Sizes: 10,25,50,100,250, and 500 microlitres. Also available are HPLC syringes for septum injection at pressures up to 650 atmospheres. For more details please contact your nearest SGE distributor or office.
Valco
SGE simply superb quality
Scientific GlassEngineeringPty.Ltd.
Head Office: Scientific Glass Engineering Pty. Ltd 111 Arden Street North Melbourne Victoria 3051 Australia Tel: (03) 329 6633
U.S.ATDfflce: ' European Office: Scientific Glass Engineering (UK) Ltd. Scientific Glass Engineering Inc 2007 Kramer Lane, Suite 100 657 North Circular Road Austin, Texas 78759 U.S.A. London, NW2 7 AY Great Britain Tel: ( 5 1 2 ) 8 3 7 7190 Tel: (01) 452 6 2 4 4
CIRCLE 224 ON READER SERVICE CARD
The sulfur measurement performers from Houston Atlas. » The hallmark of the Houston Atlas sulfur measurement performers is the achievement of superior accuracy, reliability, and effortless precision performance...without the need for skilled technicians. Plus...application flexibilities that deliver even more performance for your dollar. » Whether you work with gases or liquids or solids, in low ppbor high %, Houston Atlas has a "can-do" performer for you. • Such as the versatile Total Sulfur Analyzer that also measures H2S, SO2, NO* and other pollutants with just a change of tape. Its patented Photorateometric* brain can routinely read trace concentrations in seconds • Or.the PPM Reference Standard Generator. This nonpermeation instrument automatically generates fresh, uniformly blended calibration standard samples the instant they are needed, with unrestricted ppb, ppm, or % rangeability.
• Or...the Microjector Syringe Drive that beats anything on the market today. You get precise motion control with this versatile linear motion injection/retraction device with digital timing. • As your applications get tougher, your choice of instruments can get easier with your selection of a Houston Atlas performer. • Get complete details by calling Marketing at 713/462-6116 or write Houston Atlas, Inc., 9441 Baythome Drive, Houston, TX. 77041. Do It today!
HOUSTON ATLAS, INC. Or better yet, see these performers perform for you at the
PITTSBURGH CONFERENCE in ATLANTIC CITY. SPACES 2000-2002
Model 856/825R-d TOTAL SULFUR ANALYZER
Model 1001 MICRO-JECTOR SYRINGE DRIVE
CIRCLE 55 ON READER SERVICE CARD 2 0 0 A · ANALYTICAL CHEMISTRY, VOL. 52, NO. 2, FEBRUARY
1980
Model 601 PPM REFERENCE STANDARD GENERATOR
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