READERS INFORMATION SERVICE CHEMICALS AND MATERIALS
Presses, Hydraulic 84 A-4 Presses, Pellet 68 A Pressure Reaction Apparatus. . . 26 A - l Pumps, Vacuum 28 A Shakers 72 A - l , 89 A-2 Spectrograph^ Planning Survey . . 27 A - l Spectrographs 27 A-2, 91 A-2 Spectrometers 10 A, 48 A - l Spectrometer, M a s s 19 A Spectrophotometers 6 A, 25 A, 31 A - l , 56 A - l Spectrophotometers, Infrared . . · 49 A, 62 A, 70 A Steam Generator Assembly . . . . 65 A-3 Stirrers 47 A Stopcocks 30 A Sulfur Determinators 34 A Thermo Analysis Apparatus . . . . 75 A - l Thermostats 75 A - l Titrimeters 54 A Tubing Plastic 82 A, 90 A - l Tubing, Rubber 18 A Valves 67 A-2 Vapor Fractometers 48 A-2 Viscosimeters. . . . 76 A-2, 76 A-3, 85 A Ultramicroburet 3A X-Y Recorders 88 A
Arsenic Trioiide . " 2 n d Cover" Benzoic Acid "2nd Cover" Buffer Tablets 78 A Ether, Reagent "4th Cover" Filter Papers 37 A - l , 71 A Filter Paper Sampler . 37 A-2 Oil Distillates 32 A-l Organic Chemicals 69 A Potassium Biphthalate . . . "2nd Cover" Potassium Dichromate . . . "2nd Cover" Radioactive Compounds 72 A-2 Reagents 12 A, 79 A Sodium Oxalate "2nd Cover" Spectroscopic Electrodes . . . 14 A, 38 A Spectroscopic Powders 38 A
MISCELLANEOUS Employment
31 A-2
You can keep dozens of buffers in a small space with COLEMAN BUFFER TABLETS
READERS' INFORMATION SERVICE Analytical Chemistry 430 Park Avenu· New York 22, Ν. Υ.
ANALYTICAL CHEMISTRY Readers' Information Service May 1957—Valid throuoh October 1957
New Products 1 15
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New Chemicals 18
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Write for Bulletin B - 2 0 5
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Manufacturers' Literature 21 34
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Coleman Instruments, Inc. M a y w o o d , Illinois
Name Position Company Address
Circle Ν·. ΤΙ Α Μ Heaters' tenia
Cari, taft ΠΑ
