METALAB Equipment Company - Analytical Chemistry (ACS

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What is

"LAB-POWER"?

MANUFACTURERS' LITERATURE

Lab-Power begins with room layout... precision designed equipment...experienced engineering... and carefully supervised installation. Lab-Power means capability. It provides maximum convenience and flexibility per unit of floor and wall space. It helps to insure the safety of both people and equipment. From the budget viewpoint, Lab-Power means the best equipment and furniture per dollar. MOST IMPORTANT, LAB-POWER MEANS MAXIMUM UTILIZATION OF AVAILABLE SCIENCE MANPOWER! Metalab-Labcraft is the leading specialist in Laboratory Equipment and Furniture that meets

Fluoride Bibliography. A selected bibliography covering the quantitative colorimetric determination of fluoride using the reagent 3-aminomethyl alizarin-JV,A?'-diacetic acid (alizarin complexan) is now available. Burdick and Jackson Laboratories, 1953 S. Harvey St., Muskegon, Mich. 601 Liquid Scintillation Counting. New, 9-page brochure on "Organic Com­ pounds For Liquid And Plastic Scin­ tillation Counting" presents a discus­ sion of methods and the properties of compounds used. Arapahoe Chemicals, Inc., 2855 Walnut St., Boulder, Colo. 602

all of the requirements of Lab-Power for industrial and research laboratories. Write for Metalab Catalog 6-C.

pH Electrodes. Information on 30 electrodes (glass, reference, metallic) used in pH measurements, electrometric titrations, and many other laboratory projects is given in a 12-page booklet. Coleman Instruments, Inc., 42 Madison St., Maywood, 111. 603 Catalog. Precision measurement in­ struments and their components are featured in this 8-page catalog. Illus­ trations and specifications complete the individual descriptions of instruments. ESI- Electroscientific Industries, Inc., 7524 S. W. Macadam Ave., Portland 19, Ore. 604 Gas Chromatography. Brochure "Gas Chromatography—Unique Tool for Research—Development-AnalysisQuality Control" describes applications, and operational and manufacturing problems encountered in gas chroma­ tography. New developments in the field are presented along with services offered by the laboratory. Evans Re­ search and Development Corp., 250 E. 43rd St., New York 17, Ν. Υ. 605 Low Temperature W o r k .

METALAB Equipment Company A s u b s i d i a r y of Crescent Petroleum 252 DUFFY A V E N U E , H I C K S V I U E , Circle No. 113 on Readers' Service Card 98 A

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ANALYTICAL CHEMISTRY

Corporation L. Ι . , Ν . Υ .

The use of

solid and liquid C 0 2 in direct and in­ direct low temperature work is pre­ sented. Information is available from charts and graphs on thermal conduc­ tivity of insulating materials, physical properties of solvents, physical proper­ ties of carbon dioxide, and the flow rate of low pressure C0 2 . Brochure.No. 5950. Liquid Carbonic Division, General Dynamics Corp., 135 S. LaSalle St., Chicago 3, 111. 606 Lubrication. Bulletins BK-19-a, BK20-a, BK-21-a, describe lubricants used in bearings, air compressors, machining