C & E N READER NOV . 1 5
SERVICE VALID THROUGH DECEMBER 15, 1971
ADVERTISED PRODUCTS 1 14 27 40 53 66
2 15 28 41 54 67
3 16 29 42 55 68
4 17 30 43 56 69
5 18 31 44 57 70
6 19 32 45 58 71
7 20 33 46 59 72
8 21 34 47 60 73
9 22 35 48 61 74
10 23 36 49 62 75
11 24 37 50 63 76
12 25 38 51 64 77
13 26 39 52 65 78
108 121 134 147 160
109 122 135 148 161
110 123 136 149 162
111 124 137 150 163
112 125 138 151 164
NEW PRODUCTS, NEW LITERATURE:
Cobratec*
100 113 126 139 152
101 114 127 140 153
102 115 128 141 154
103 116 129 142 155
104 117 130 143 156
105 118 131 144 157
106 119 132 145 158
107 120 133 146 159
could save you a pretty penny! Copper and copper alloys stay brighter longer when treated with Cobratec, an aromatic triazole. Example: the bright half of the penny was dipped in 1 % Cobratec solution; both halves were exposed for 15 minutes in accelerated test atmosphere. Cobratec provides both a mechanical and electrochemical shield that is chemically bonded to the metal. Cobratec can't wash off. Or wipe off. It adds protection in multimetal liquid handling systems by tying up free copper ions in solution which cause galvanic corrosion in other metals; can be used alone
or in combination with other compounds for both atmospheric or solution applications. Cobratec provides better, longer lasting p r o t e c t i o n . . . your savings could add up to a pretty piece of change. Samples! Write SHERWIN WILLIAMS CHEMICALS, P. O. Box 5638, Cleveland, Ohio 44101. Or call (216) 566-2960.
sherwin Williams chemicals
CIRCLE 57 ON READER SERVICE CARD
PLEASE CHECK YOUR FUNCTION: 1 D MANAGEMENT 2 D PRODUCTION, CONTROL 3 D PROCESS DESIGN & DEV.
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D Dr. Larry Stein Chemistry of Mind: Schizophrenia Dr. Joel Elkes Chemistry of Mind: Depression
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D Dr. William L Byrne & Dr. Arnold M. Golub The Molecules of Memory Dr. J. M. McGaugh The Matter with Memory
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D Dr. Denham Harman Dissonant Harmony Dr. Howard Curtis Why We Grow Old
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Men & Molecules TAPE CASETTES
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D Dr. Vincent Gott & Dr. Albert Rubin New Materials for Spare Parts Dr. Ralph Reisfeld & Dr. Barry Kahan Against Individuality Π Dr. Eugene van Tamelen The Nitrogen Fixer Dr. E. J. Corey & Dr. Sune Bergstrom Prostaglandins: A Potent Future D Dr. Carroll M. Williams Insects: The Elements of Change— Parts I & I G Dr. Elmer Gaden Engineering Microbes Dr. George Heilmeier Liquid Crystals: A Bright Promise Π Mr. Henry Mayrsohn & Mr. M. H. Hyman The Lead Issue Dr. James Pitts Smog: An Environmental Dilemma D Dr. James L. Tuck Fusion and Fission: An Appraisal Dr. M. King Hubbert The Prospects for Energy
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ACS Members Single Cassette $3.95 Any Four Cassettes $375/cassette
Non- Members $495 $4.75/cassette
Any 12 or more cassettes to one Address $3.5G/cassette Large Volume Orders Negotiable for orders outside U.S.A. add 75 cents handling charge. Order From: American Chemical Society, 1155 16th Street, N.W., Washington, D.C. 20036 ATTN: A. Poulos CIRCLE 62 ON READER SERVICE CARD
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