Sample preparation forXRF-AA-ICP-CHEM.
M3 ΕΜΠΗ
NEW
PRODUCTS chromatograph/mass - selective detec tor and gas chromatograph/IR detec tor for the analysis of the contents of a h a z a r d o u s - w a s t e d r u m . 8 pp. Hewlett-Packard 224
with
Claisse Fluxes
Q-Mass 910 bench-top mass spec trometer for GC/MS provides classical electron ionization mass spectra that can be searched with an optional Ν 1ST mass spectral database and software. Perkin Elmer 217
(Borates and Phosphates) V J e t a new perspective on analysis and better results. The CLAISSE FLUXES have exceptional qualities due to their PURITY and COARSE texture. Claisse Fluxes are Tip-Top. FEATURES • free-flowing crystals • low surface area • high density • fused, not mixed • popular and special compositions CONSEQUENT ADVANTAGES • no loss from static electricity • no loss by splattering or foaming on heating • very low water absorption • no uncertainty on quantity weighed • no segregation in containers FREE SAMPLE upon request
Education Division program summaries. Free brochure describes ACS educational activities directed toward precollege and college stu dents, chemistry teachers and practi tioners, and persons interested in the chemical sciences. 12 pp. 218 R e c o r d - K e e p i n g . "Electronic Record-Keeping for Patent Purposes: Cautions and Pitfalls" is a free pam phlet that presents legal consider ations involved in keeping electronic records and alerts readers to the pre cautions necessary for maintaining research records in computers and data storage devices. 3 pp. 219
Manufacturers' Literature Gases. Brochure features catalytic bead, semiconductor, electrochemi cal, and IR sensors for detection of 0 2 , CO, H 2 S, Cl 2 , S 0 2 , N 0 2 , NO, H 2 , C0 2 , NH 3 , and combustibles. 6 pp. Sierra Monitor Corp. 220 F l o w a n a l y s i s . Booklet describes segmented flow analyzers for analyt ical and process applications. More than 80 application notes are includ ed. 120 pp. Skalar 221 Newsletter. Particle Technology News, Vol. 1, includes information on the adsorption of proteins to polystyrene latex and on the assay of latex-bound proteins. 4 pp. Seradyn 222
For world-wide sales, address of local agents and service information please call or write to: corporation scientifique claisse inc.
2522. chemin Sainte-Foy Satnte-Foy (Québec) Canada G1V 1T5 Tel: (418) 656-6453 Fax; (418)656-1169 Telex: 051-31731
The First and Finest in Fusion.
Newsletter. Chromatogram, Vol. 11, No. 3, includes articles on immunoaffinity isolation of bioactive antigen receptors and on separation of oxysterols by HPLC and TLC. 12 pp. Beckman Instruments 223 Hazardous waste. Application brief discusses the use of a combined gas
CIRCLE 22 ON READER SERVICE CARD
518 A · ANALYTICAL CHEMISTRY, VOL. 63, NO. 9, MAY 1, 1991
Chromatography. The Supelco Re porter, Vol. IX, No. 6, features articles on capillary GC analyses of petro leum products and on the design and operation of gas pressure regulators. 20 pp. Supelco 225
Catalogs L a b o r a t o r y e q u i p m e n t . Catalog contains i n s t r u m e n t a t i o n , safety products, and supplies. Included are laser safety glasses, glove boxes, bal ances, fume hoods, pH meters, glass ware, and a complete line of electro phoresis equipment. Whatman LabSales 226 B i o c h e m i c a l s . Catalog includes amino acids, lipoproteins, bioactive peptides, immunochemicals, molecu lar biology products, affinity chroma tography media, buffers, and protein sequencing reagents. Sigma 227 C h e m i c a l s . Catalog includes r e agents for electrophoresis, peptide synthesis, enzyme studies, plasmid isolation, molecular biology, and bio technology research. 300 pp. Fisher Scientific 228 Instrumentation. Catalog includes agitators, balances, electrodes, envi ronmental apparatus, flask holders, incubators, pumps, stirrers, slides, and thermal analysis equipment. 50 pp. Eberbach 229 S c i e n t i f i c p r o d u c t s . Catalog in cludes safety equipment, balances, clamps, flowmeters, hotplates, plasticware, racks, thermometers, lamps, pipettors, and tubing. 32 pp. Lux Sci entific Instrument Corp. 230 Safety. Catalog features equipment for p e r s o n a l protection, s t o r a g e , monitoring, and handling. Also listed are reference m a t e r i a l s such as books, computer products, labels, and signs. 200 pp. Aldrich Chemical Co. 231
For more information on instrumenta tion and software products, and/or to obtain the free available information on other listed items, please circle the appropriate numbers on one of our Readers' Service Cards.
