Focus Microscope is a d j u s t e d t o select desired area of s a m p l e
Fire Laser b e a m is c o n c e n t r a t e d on s a m p l e by microscope lens
Vaporize Laser crater f o r m e d in refractory. Photo c o u r t e s y Harbison-Walker Refractories Co.
Analyze Spectra p r o d u c e d are recorded on f i l m
In only a few seconds you can set up almost any sample for emission spectroscopy with the J A R R E L L - A S H L A S E R M I C R O P R O B E FEATURES
TYPICAL APPLICATIONS
• No sample preparation necessary • No physical contact with sample re quired I . : ' , . • Sample; does not have to be elec trically conductive • Laser beam can be pinpointed to a 50-micron spot on any desired area of sample • Sample size— 1 microgram • May be, used with almost any spec trograph
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CERAMICS Analyzing metallic impurities: and bonding in refractories · Analyzing cords in glass
MEDICAL Analyzing kidney tubules^ for copper and silicon · Analyzing;trace metals in animal brain tissue
METALS Identifying glass stones and in clusions in metals · Investigating how impurities affect crystal structure · Investigating grain boundaries
SEMICONDUCTORS Analyzing gold alloys in diode wires · Analyzing impurities in electroplating
PLASTICS Analyzing metallic impurities in plastics · Identification of. microinclusions
MICROELECTRONICS Analyzing impurities^ in gallium arsenide · Analyzing impuri ties in thin films
Write for Bulletin 45-600
ANALYTICAL INSTRUMENTATION
• SPECTROSCOPY · GAS CHROMATOGRAPHY · X-RAY DIFFRACTION
J A R R E L L - A S H COMPANY · 5 1 0 Lincoln S t r e e t , W a l t h a m , M a s s a c h u s e t t s 0 2 1 5 4 JARRELL-ASH (Europe) S. Α., Rue de la Jacuse 6, Le Locle, Switzerland NIPPON JARRELL-ASH CO., LTD., Kiyamachi-Sanjyo-Sagaru, Nakagyoku, Kyoto, Japan Circle No. 134 on Readers' Service Card 18 A
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ANALYTICAL CHEMISTRY
Circle No. 42 on Readers' Service Card