C&EN
READER
SERVICE
SEPTEMBER 12 ADVERTISED PRODUCTS: 1 2 3 4 5 6 14 15 16 17 18 19 27 28 29 30 31 32 40 41 42 43 44 45 53 54 55 56 58 66 67 68 69 70 71
Instant automation for your repetitive analyses. You can easily automate repetitive quality control, produc tion control or investigative analyses with the new Metrohm E-553 Analyzing System. Up to 44 samples can be prepared and meas ured in automatic sequence following a pre-determined program. The E-553 is adaptable to virtually any chemical reaction with electrical or photometric measurement. Individual units of the sys tem can be combined for a variety of complete titration systems, yet the entire apparatus fits neatly on any standard laboratory bench. The cost is reasonable, and think of the savings in time and labor! Want to know more about yjg^yjg M a t m l i f n ^ ^ ^ the E-553? Write: Metrohm Division, i T 1 ! ! Ι ! Ι β Ι Ι 0 Π Ι Π Ι ι - 3 3 0 Brinkmann Instruments, Cantiague Road, Westbury, N.Y. 11590. BRINKMANN I
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metrohm tAnalyzing System Svstem
CIRCLE 1 1 ON READER SERVICE CARD
NEW 100 113 126 139 152 165 178 191 204 217 230
7 20 33 46 oy
72
8 21 34 47 60 73
PRODUCTS, N E W JTERATURE: 101 102 103 104 105 106 107 114 115 116 117 118 119 120 127 128 129 130 131 132 133 140 141 142 143 144 145 146 153 154 155 156 157 158 159 166 167 168 169 170 171 172 179 180 181 182 183 184 185 192 193 194 195 196 197 198 205 206 207 208 209 210 211 218 219 220 221 222 223 224 231 232 233 234 235 236 237
VALID THROUGH JANUARY 1978
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
108 121 134 147 160 173 186 199 212 225 238
109 122 135 148 161 174 187 200 213 226 239
110 123 136 149 162 175 188 201 214 227 240
111 112 124 125 137- 138 150 151 163 164 176 177 189 190 202 203 215 216 228 229 241 242
PLEASE CHECK YOUR FUNCTION: 4 Π PRODUCT R&D 1 D MANAGEMENT 5 Π PURCH., SERVICE, SLS. 2 G PRODUCTION, CONTROL 3 Π PROCESS DESIGN & DEV. 6 π DTHER NAMF TITI F
COM PAN V STR EET . CITY STATE
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TELEPHONE PLEASE CHECK: d ACS MEMBER D NON MEMBER
DIONEX
"> £ 1
DIONEX ANNOUNCES A WORKSHOP SERIES ON ION CHROMATOGRAPHY
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