Model 3040 Programmable Potential Coulometer. For electro-chemical analyses, measuring chemical levels or changes in solutions, selection and detec tion of complex compounds, process control, and similar applications. Pushbutton pro grammable. Available with flow cells, trap cells, and other sensors. Circle No. 67
Model 3010 Trace Metals Analyzer. Measures up to 200 micro or macro samples daily at 90 sec onds or less per sample using a rapid exchange reagent. Cost per sample: about one-third that of conventional methods. Excel lent accuracy and precision at the nanogram level.Circle No. 65
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Model 4000 ZnP Hematofluorometer. Determines the amount of zinc protoporphrin in whole blood without sample preparation. Principle approved by the Center for Disease Control of HEW for lead intoxication and/or iron deficiency anemia. Technique OSHA ^ç. approved and required. ^ « j £ V ^ Circle No. 66
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Model 2014 Multiple Anodic Stripping Analyzer. A laboratory instrument that will perform quantitative or qualitative analyses on trace metals in numerous matrices with out destroying the sample. Available with extender units to hardie up to 12 discrete samples simultaneously, and with a variety of equipment options for routine analysis or basic research. Circle No. 68
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Model 2011 Single Cell Η Anodic Stripping 30 Voltammeter. C A portable, single cell ver sion of the Model 2014 that will operate on line power or m from a 12-volt storage bat tery and inverter. C/3 Circle No. 69
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. . . and for halides, chemicals, and other substances and solutions, too. ESA is a multi-faceted company with capabilities in such diverse areas as industrial hygiene, clinical laboratories and health care centers, industrial processes, environmental technology, and quality control. We operate one of the largest private blood lead screening laboratories in the world, provide the food industry with instruments for measuring and monitoring trace metals in food products and containers, test air filters and analyze water and soil for lead, tin, cadmium, copper, ^^B arsenic, mercury, bismuth, thallium and other heavy, «S^^^B precious, or toxic metals in a variety of ^^Ç> • " ί ^ ί ^ ^ matrices. Look us over —then tell ^^oR^ **£·^^ us your requirements. JÇcSr^
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The R&D Laboratory consists of both in-house and consulting groups for development of hardware, and for analytical projects ranging from emission surveys from power plants and smelters to the effectiveness of existing techniques for controlling the environment. Telephone or letterhead request only, please.
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Screening Laboratories for screening of children and industrial personnel for blood and urine lead, erythrocyte protoporphrin, and hematology testing determining the presence and amount of lead, cadmium, copper, mercury, arsenic, tin, bismuth, and thallium in various matrices.... or for intermediate or massive repetitive analyses of other trace elements in solids and aqueous solutions. Circle No. 70
Sampling Kits for obtaining, handling, shipping, and storing blood or other biologicals. Circle No. 71 Fast Exchange Reagents that obsolete preparative chemistry for lead in food, water, blood, urine and other trace substances in different matrices. Circle No. 72 Flow Cells and Sensors for continuous or batch measurement and monitoring of chemical and industrial processes, capturing and eliminating undesirable ingredients, and other uses. Circle No. 73
See us at the Pittsburgh Conference Booth #702-704.
ENVIRONMENTAL 45 Wiggins Avenue, Telex: 923344
SCIENCES ASSOCIATES, INC. Bedford, MA 01730 Tel: (617)275-0100