July 1956 ANALYTICAL CHEMISTRY
Readers' Information Service These handy cards will bring information of value to chemists, engineers, and other technologists in laboratory, pilot plant, and production.
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Circle d e s i r e d i t e m s : Numbers on the adjoining tear-out card are keyed to items in the NEW PRODUCTS, NEW CHEMICALS, and MANUFACTURERS' LITERATURE sections on the immediately follow ing pages. For further information on any new product or service, or for a copy of literature listed in MANUFACTURERS' LITERATURE, circle the corresponding number and mail card. For information about any of the products listed in the ADVERTISED PRODUCTS INDEX below, or in the PRODUCTS CAPSULES section, the reader should write directly to the company concerned. See P a g e 5 4 A for N e w Products, 5 8 A for N e w Chemicals, and 6 2 A for Manufacturers' Literature
ADVERTISED PRODUCTS INDEX
ANALYTICAL CHEMISTRY Readers' Information Service
EQUIPMENT AND INSTRUMENTS Absorption Cells, Glass 22 A Apparatus Kits, Miniature . . . . 20 A Balances 27 A-2, 45 A, 50 A Binding Posts 53 A Blenders 8 A, 67 A-3 Borers, Power 35 A Boron Apparatus 26 A-7 Burners, Multiflame 9A Centrifuge Tubes, Polyethylene . . 14 A-2 Centrifuges 27 A-4 Clamps, Pinch 34 A Colorimeters 52 A-6, 66 A-l Colorimeter-Nephelometer . . . . 4A Crucibles, Boro-silicate 70 A Crucibles, Platinum 29 A Densitometers 30 A-2 Dessicators 70 A Dialysis Apparatus, Multiple Sample 67 A-2 Electrophoresis Apparatus. . .42 A, 65 A-l Filter Papers 64 A Filter paper Selection Guide . . . 62 A-2 Flame Photometers .27 A-l, 32 A-2, 52 A-l Fluorimeters. . .28 A, 30 A-3,52 A-3,66 A-2 Funnels, Porcelain 66 A-3 Gas Chromatograph 55 A Glassware Washers 67 A-l Glassworking Lathes 14 A-l Grinders 62 A-l Homogenizers 33 A-l Hot Plates 65 A-2 Instrument Benches 17 A Laboratory Benches 23 A Laboratory Furniture 49 A Laboratory Glassware, Boro-sili cate . 70 A Mercury Sweepers 26 A-4 Mercury Vapor Detectors . . . . 60 A-l Mixers 33 A-2 Nephelometer-Clorimeter . . . . 4A Hephelometers 52 A-4 Ovens 10 A, 18 A, 46 A-2, 59 A-l pH Meters 30 A-l, 52 A-2 Pipe and Fittings, Glass 69 A Polarographs, Cathode Ray . . . 44 A Presses, Hydraulic 12A, 66 A-4 Pumps 26 A-6 Pyrometers 31 A-2 Radiation Meters 16 A
July 1956—Valid through December 1956
New Products 1
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10
New Chemicals Π
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24
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M a n u f a c t u r e r s ' Literature 20
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29
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Name Position CompanyAddress—
PLACE STAMP HERE
READERS' INFORMATION SERVICE Analytical Chemistry 430 Park Avenue New York 22, Ν. Υ.
READERS' INFORMATION SERVICE n-Hezane 13 A - l Organic Chemicals 39 A Perchloric Acid 13 A-2 Phosphomolybdic Acid 13 A-4 Potassium Chloride 4th Cover Precious Metal Fabrication . . . . 24 A Radiochemicals 4th Cover Reagent Acids 2nd Cover Skellysolve Β 13 A-l Sodium Bicarbonate 4th Cover Sodium Chloride 4th Cover Solvents, Chemical Index . . . . 36 A Stopper Lubricant 26 A-l Wetting Agent 26 A-2
Recorders, Graphic 38 A Refractometers 27 A-3 Sampling Guns 26 A-3 Scintillation Detectors 25 A Spatulas, Magnetic 26 A-5 Spectrographs 63 A Spectrometers, N. M. R 3rd Cover Spectrophotometers. . . 11 A, 15 A, 21 A - l , 32 A - l , 47 A, 52 A-5, 61 A-l Stirrers 31 A - l , 46 A-l Stirrer Type Pressure Reaction Apparatus 57 A Stopcock Adapters 5A Sulfur Determinators 59 A-2 Tubing, Plastic 56 A, 60 A-2 Vapor Fractometers 32 A-3
for information on these modern analytical methods FLAME PHOTOMETRY Rapid, direct measurement of Sodium, Calcium, Potassium, with new uses soon to be available.
MISCELLANEOUS CHEMICALS AND MATERIALS Color Measurement Course Employment, Instrumentation Isotope Chart
Biological Grade Chemicals . . .4th Cover Methyl Cellosolve 13 A-3
61 A-2 21 A-2 6A
pH, AUTOMATIC TITRATION Fully Automatic Titration... priced for any lab. Famous Coleman pH meters in labo ratory and portable models.
F L U O R I M E T R Y Most rapid, precise analysis for Vitamins, Quinine, Atabrine, Porphyrins, Steroids, and metal complexes.
PLACE
NEPHELOMETRY The key
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to difficult analyses such as: clarity of liquids, concentra tions of solids in suspensions/ sterility of clear liquids, growth rales of bacteria.
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SPECTROCHEMISTRY Coleman Spectrophotometers are world-famous for practi cal, precise anoiysis, thousands of procedures are written di rectly for these time-saving laboratory tools.
READERS' INFORMATION SERVICE Analytical Chemistry
C O L O R I M E T R Y Coleman offers the biggest sample range, more ways to measure, direct constituent readings, your best buy in colorimeters. Only $182.50.
430 Park Avenue New York 22, Ν. Υ.
See page no. 11 and SEND THIS CARD TO:
ANALYTICAL CHEMISTRY Readers' Information Service
COLEMAN INSTRUMENTS, INC. 318 Madison Street · Maywood, Illinois
July 1956—Valid through December 1956
N e w Products I
2
3
4
5
6
7
8
9
Please send me full information analytical instruments for:
10
N e w Chemicals II
12
13
14
15
16
17
18
19
[ ] Flom· Photometry
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pH . . Automatic Titration
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Name, Title-
Manufacturers' Literature 20
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22
23
Company.
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26
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28
29
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Address
Name
Ciry_
Position—
Stole-
CompanyAddress—
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Circle Nos. 52 A-l, 52 A-2, 92 A-3, 52 A-4, 52 A-5, 52 A-· on Rulers' Service Cart, itfe 51 A