Beckman INSTRUMENTS, INC

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There are two ways to learn when, why and how to use selective ion electrodes: 1. Hard work 2. Ask Beckman Beckman has spent years perfecting selective ion technology so you won't have to. The result: a broad line of Selection® Electrodes, each backed by Beckman's superior quality, performance and reliability. And each backed by complete technical and applications support. Whatever you need to know about selective ion electrodes, Beckman is ready to help. Our selective ion experts will examine your specific situation (even duplicate your application in our own lab, if necessary). Then we'll submit your personal Selection Electrode Profile directly to you, with recommended electrodes and procedures for best results. You can reiy on Beckman's broad product capability and technical know-how. We offer Selection Electrodes for ammonium, bromide, calcium, chloride, copper, fluoride, fluoroborate, iodide, nitrate, perchlorate, potassium, sulfide/silver and water

hardness, plus both laboratory and clinical style sodium and cation electrodes and a combination fluoride electrode. Each is backed by complete technical data and performance specifications, plus specific product data sheets for chloride, fluoride, sulfide, sodium, potassium and ammonium. To obtain your Selection Electrode Profile covering specific requirements, just complete our convenient Selection Electrode Profile Questionnaire and we'll do the rest. For your questionnaire —and complete information on Beckman pH meters and Selection Electrodes —write for Data File 23, Beckman Instruments, Inc., Scientific Instruments Division, 2500 Harbor Boulevard, Fullerton, California 92634.

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INSTRUMENTS,

INC.

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