HELLMA® The new DANI family of HRGC ancillary equipment featuring:
There are no better CELLS.
D automatic preprogrammable, multisequential method-files D positive sample identification G microprocessor control D external bidirectional communication for sample ID and parameters entering or recalling D autodiagnostics D compatibility with all Gaschromatographs
Ask for our literature on Cells, Filters, and Optics. Also
HSS 39.50 HEAD SPACE SAMPLER DANI
UV and • •
Laser Light Sources.
up to 25 samples positive «valve and loop» sampling system
For over 20 years...
HELLMA
tomorrow s designs today. Hellma Cells Inc. Box 544, Borough Hall Station Jamaica, New York 11424 Telephone (718) 544-9534 CIRCLE 68 ON READER SERVICE CARD
DANI SPT 37.50 SEQUENTIAL PURGE AND TRAP SAMPLER
WONDER SCIENCE • •
•
up to 25 samples effective thermal «focusing» for capillary G.C. PTD programmable temperature desorber
Fun Physical Science Activities for Children and Adults to Do Together DANI STD 33.50 SEQUENTIAL TUBE DESORBER
• colorful comic book format • useful at home or in classrooms • •
• reinforces language and math skills • relates science concepts to technology
•
• aimed at 4th through 6th graders Prict per subscription (one-year, four-issues! To continental U .S. addresses
1-4 5-19 20 or more
(4.00 each $3.00 each $2.00 each
To addresses outside the continental VS.
50 or more (minimum)
$3.00 each
up to 50 samples effective thermal «focusing» for capillary G.C. PTD programmable temperature desorber
For subscription information write or call: American Chemical Society Prehigh School Science Program 1155 Sixteenth St, N.W. Washington, DC 20036 (202)452-2113
DANI S.p.A. • I 20052 MONZA (Ml) • VIALE ELVEZIA, 42 TEL. (039) 388696 - 388697 - 324448 • TELEX 332280 DANI I CIRCLE 32 ON READER SERVICE CARD
ANALYTICAL CHEMISTRY, VOL. 59, NO. 18, SEPTEMBER 15, 1987 · 1107 A
