OPTICS The easy way Holographic Concave Gratings designed for your instrument.
LIGHT SOURCE
GRATING
f=r
Easy because there is only TEST one grating and because TUBE SAMPLE our single grating often replaces several collimating and focusing elements. Our Type III grating gives more signal, less noise, and alignment is simple. J-Y has perfected the technology of holographically engraved concave gratings. Our Type III offers many advantages over conventional gratings and often costs less. Keep ahead of the competition. Let us provide you with detailed technical information before you settle for second best. Call or write today. At J-Y you'll get all the help you
need.
SHIMADZU SCIENTIFIC INSTRUMENTS, INC.
J - Y OPTICAL SYSTEMS Division
of Instruments
SA,
Inc.
173 Essex Ave.. Metuchen. New Jersey 08840 201 /494-8660 Telex 844 516
CIRCLE 11 1 ON READER SERVICE CARD
CIRCLE 188 O N READER SERVICE CARD ANALYTICAL CHEMISTRY, VOL. 48, NO. 1 1 , SEPTEMBER 1976 · 8 5 1 A