PITTSBURGH EXPOSITION
CQLE-ΡΑΠΜΕΠ
MICROMETER DISPENSERS*
electrodes, Model 801 digital display pH meter, Model 814 digital display direct reading specific ion meter, Models 401 and 404 specific ion meters, multiple electrode automated system with com puter interfacing.
Reproducible Volumes from 0.2 ml to 10 ml
Absolute Accuracy to 0.02 ml
ORTEC, INC. 1000 Midland Rd.
Reproducibility
Oak Ridge, Tenn.
of 0.005 ml
Exhibiting: Line of solid-state elec tronic modular instrumentation and semiconductor detectors for x-ray dif fraction and fluorescence, and electron beam microprobe, including preampli fiers, amplifiers, baseline restorer, single channel analyzer, linear gate, scalers, printout control, teleprinter, ratemeters, pulse generator, power supplies.
Contamination Free.
•Patent A p p l i e d For
Liquids come into contact with glass and Teflont only.
37830
PACKARD INSTRUMENT CO., INC. 2 2 0 0 Warrenville Rd. Downers Grove, III. 6 0 5 1 5
Exhibiting: Multi-purpose gas chromatograph for analytical or preparative work; two-channel digitizer that con verts analog signals from recorder to digital format for computer analysis; low-cost, high efficiency proportional detector for determining radioactivity in GLC effluent.
AUTOMATIC REPETITIVE DELIVERY. Dispenser w i l l continuously and precisely deliver a l l reagents in micrometer-set volumes. AVAILABLE IN TWO SIZES: Dispensers can be obtained for delivery of volumes up to either 2 m l . or 10 m l . ACCURATE, EASY TO OPERATE. High v i s i b i l i t y micrometer graduations are accurately calibrated and can be quickly set f o r desired o u t p u t . HIGH REPRODUCIBILITY. Precision machined Teflon piston in accurately formed glass cylinder bore ensures consistency of repetitive o u t p u t . SELF-PRIMING. Precisely ground glass ball check valves combine s e l f - p r i m i n g action with highly accurate delivery of reagents. VERSATILE OUTLET FITTING. Tapered glass Luer j o i n t on dispenser outlet accepts either t u b i n g or hypodermic needles. TWO STYLES AVAILABLE. Dispenser can be ob tained with either 500 m l . flask or w i t h hand held barrel that can be attached by t u b i n g to any reservoir or container. REAGENTS ARE PROTECTED FROM ATMOSPHERE. Closures are provided w i t h delivery tubes. Flask style dispensers have air vents that can be d o s e d and t h a t accept absorption tubes.
N E W 1 9 6 8 CATALOG Features over 2 5 0 0 instruments for I n d u s t r i a l Research, the Health Sciences, Chemistry, Biology and A g r i c u l t u r e . Free on request. ÎT.M.
DuPont
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COLE-PARMER INSTRUMENT and EQUIPMENT CO. 7330 North Clark Street Chicago. III. 60626
