ARTHUR H. THOMAS CO

NEW YORK, N. Y.. BUSINESS REPLY CARD ... READERS' INFORMATION CARD—ANALYTICAL CHEMISTRY. Feb. .... samples as small as a single crystal,...
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READERS' INFORMATION SERVICE Stirrers 81 A-2, 88 A-3 Stopcocks 101 A Sulfur Determinators 32 A Titration Equipment . . 69 A, 70 A-l, 70 A-2, 75 A, 80 A, 99A-3 Tubing, Plastic 96 A TJltracentrifuges 97 A Viscometers 88 A-l, 88 A-2 Voltage Regulators 100 A Washers, Laboratory 104 A-2 Water Analyzers 86 A Water Bath Heaters 103 A Weights 83 A

CHEMICALS AND MATERIALS Acids Adsorbents Antiozonants Buffer Solutions Chemicals, Reagent Filter Papers

8 A-2 85 A 79 A 87 A-2 35 A 21 A-2, 59 A

Indicators Isobutyronitrile Lithium Compounds Neutron Monitoring Film Organic Chemicals Radiochemicals . Rare Earths Reagents, Inorganic Stains

8 A-6 33 A 24 A . . . . 79 A 8 A-5, 79 A 8 A-3 8 A-4 8 A-l 8 A-6

Employment, Engineers Filter Paper Sampler Glass Blowing Manual High Vacuum Systems, Booklet . Instrument News Micro-Methods, Book Molecular Data Report pH and Chlorine Control Handbook Photosensitization Review . . . . Spectrophotometry Digest . . . .

BUSINESS REPLY CARD

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16 A-2 21 A-l 55 A-2 43 A 64 A-4 92 A-2 64 A-3 86 A 22 A-3 29 A-3

6886.Α.

Widely used for control testing oft



READERS' INFORMATION SERVICE

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Analytical Chemistry

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430 Park Avenue

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New York 22, N. Y.

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Chemicals Explosives Fats a n d W a x e s Glass

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NO POSTAGE STAMP NECESSARY IF MAILED IN THE UNITED STATES

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6886-A. Micro Hoi Slag·, Kofler, Α . Η. Τ. Co.

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Feb. 1 9 5 7 — V a l i d t h r o u g h J u l y 1957

READERS' I N F O R M A T I O N C A R D — A N A L Y T I C A L CHEMISTRY

NEW CHEMICALS MANUFACTURERS' LITERATURE

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ADVERTISED PRODUCTS 3 A 8 A-6 24 A 6A-1 10 A 25 A 6 A-S 12 A 26 A 6 A-3 14 A 27 A 6 A-4 16 A - 1 28 A 6 A-5 16 A - 2 29 A - 1 7 A-1 17 A 29 A - 2 7 A-2 18 A 29 A - 3 7 A-3 20 A 31 A - 1 8 A-1 21 A - 1 31 A - 2 8 A-2 21 A - 2 31 A - 3 8 A-3 22 A - 1 32 A 22 A - 2 33 A 8 A-4 8 A-5 34 A - 1 22 A - 3

34 35 41 43 44 44 45 45 47 48 48 49 50 53

A-2 A A A A-1 A-2 A-1 A-2 A A-1 A-2 A A A-1

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of

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A-2 A A-1 A-2 A-3 A A A A A A A-1 A-2 A-1

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A-2 A-3 A-4 A A-1 A-2 A A-1 A-2 A-1 A-2 A-3 A-4 A

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74 75 76 78 78 78 80 81 81 81 82 83 84 85

A A A A-1 A-2 A-3 A A-1 A-2 A-3 A A A A

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A A-1 A-2 A-1 A-2 A-3 A-1 A-2 A-3 A A-1 A-2 A A

96A 97 A 98 A - 1 98 A - 2 99 A-1 99 A - 2 99 A - 3 99 A - 4 100 A 101 A 103 A 104 A - 1 104 A - 2 105 A - 1

105 A - 2 2nd Cover 3-1 Cover 3-2 Cover 4th Cover

A A-1 A-2 A-3 A A-1 A-2 A A A-1 A-2 A-3

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A-1 A-2 A-3 A-4 A-1 A-S A-1 A-2 A-3 A A A

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A-1 A-2 A-3 A-4 A A A A A-1 A-2 A-3 A

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A-1 A-2 A-3 A A A A A A A A A

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A-1 A-2 A A A-1 A-2 A-1 A-2 A-3 A-4 A A

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A A A A A A A A-1 A-2 A-3 A-1 A-2

64 64 64 65 65 65 65 66 66 67 67 68

A-1 A-2 A-3 A-1 A-2 A-3 A-4 A-1 A-2 A-1 A-2 A

69 69 69 70 71 71 71 72 74 74 74 74

A-1 A-2 A-3 A A-1 A-2 A-3 A A-1 A-2 A-3 A-4

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A-5 A-6 A A A A-1 A-2 A-3 A-1 A-2 A A-1

Specification. Complete assembly, consisting of Hot Stage A with glass cover, two calibrated thermometers, set of accessories, and variable transformer but without microscope; in case, with detailed directions for use. For 115 volts, 60 or 60 cycles, single phase a.c 251.63 6887-A. DlHo, Hot Slag· A, only, with two cali­ brated thermometers and transformer.... 173.85 6887-D. "Thermo-Mlkro-Melhoden Zur K*nnz*lchnung Organischer Slot?· und Stoffgemlsch·,"

Third German Edition, by Ludwig and Adelheid Kofler, published by Wagner, Innsbruck (1964), 608 pages 9·°° M o r e detailed sent upon

information requett.

ARTHUR H. THOMAS CO.

PRODUCT CAPSULES 3 6 6 6 8 10 10 12 14 16 16 16

Petroleum Pharmaceuticals Rubber Synthetic Fibers

KOFLER MICRO HOT STAGE, Α. Η. Τ. Co. Specification. A Micro Melting Point Apparatus, electrically heated, with stage calibrated thermometers. For determining corrected micro melting points by means of a microscope with samples as small as a single crystal, permitting continuous observation of changes in t h e sample before, during, and after melting. For reproduction of settings, now furnished with special variable trans­ former with stop to limit output to approximately 80 volts.

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