CONTRACT SURFACE ANALYSIS LAB SERVICES FOR SAIE: 5 0 % OFF. In our lab is the LHS-10 Surface Analysis System, available to y o u to solve your analytical problems a n d expand your R & D capabilities. It's a truly remarkable instrument with unheard-of sensitivity, m a n n e d by experienced surface analysts w h o k n o w h o w to employ the Inficon LHS-10's multi-techniques—XPS, SIMS, ISS, SAM, UPS—to solve your particular problem. Accurately, quickly a n d economically. Its extraordinary analysis capabilities are available to you on an individual sample, daily or contractual basis. Inficon's introductory offer: 50% off. For first-time users of our lab services,
we're reducing our daily sample rate by 5 0 % . We recognize, of course, you need, first a n d foremost, accurate data, a n d that price (within reason) is n o object. However, our objective is to introduce you to our lab services. O u r half-price offer should entice you. But we're certain the accurate, quality data w e generate—the answer to your specific question—will convince you. To become an Inficon client for the second time. Please call or write for all the facts. See us at the Pittsburgh Conference, Booths 6 4 8 - 6 5 8
The incomparable LHS-10 Surface Analysis System. Comparing it to any other system is comparing * apples to " oranges.
INFICON LEYBOLD-HERAEUS
6500 Fly Road East Syracuse, N.Y. 13057 315/437-0377 TWX 710541-0594
CIRCLE 91 ON READER SERVICE CARD
HOLLOW CATHODE LAMPS
THINKING SERIOUSLY ABOUT LIGHT SCATTERING?
• HIGHEST DETECTIVITY • HIGHEST LINEARITY • MONEY-SAVING PRICES A test of our lamps will let you compare the performance and price. WRITE FOR OUR PRICE LIST/DATA SHEET DESCRIBING OVER 50 HOLLOW CATHODE LAMPS
Eli • • • •
HAMAMATSU HAMAMATSU CORPORATION 420 SOUTH AVENUE · MIDDLESEX, NEW JERSEY 08846 · PHONE (201) 469-6640 International Offices In Major Countries of Europe and Asia.
M0N0PH0T0METER (Single Detector) DUOPHOTOMETER (Two Detectors) DIFFERENTIAL REFRACTOMETERS ABSOLUTE CALIBRATION
Name
AVAILABLE WITH MULTIPLE LIGHT SOURCES, CONSTANT TEMPERATURE SYSTEM, AUTOMATIC SCANNING, MANY ACCESSORIES.
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Phone
Company Address
Call (215) 968-4268 or send for literature and prices
C.N.WOOD MFG. co.
Newtown Industrial Commons Route 332 • Newtown, Pa. 18940 CIRCLE 240 ON READER SERVICE CARD
City State
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CIRCLE 99 ON READER SERVICE CARD ANALYTICAL CHEMISTRY, VOL. 53, NO. 2, FEBRUARY 1981 • 347 A