"TEK-CHROM" Pre-Coated TLC Plates from ICN /
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·
Uniform coating for analytical or preparative work. No edge effects! No ridge effects!
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Controlled narrow particle size for high resolution Better separations.
• fOdtUriilQ ^ •
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Unique inert organic binder Plates can be washed with polar solvents. Particularly useful for Silver Nitrate impregnation.
• \^
New "Rapid Plates" Cuts analysis time. Simplifies transferring data to LC and HPLC. Economically priced! Reduces your overall costs for thin layer Chromatography
Making your own plates? ICN offers a full line of bulk Silica and Alumina adsorbents for TLC. Binder and fluorophors optional Send for ICN CHROMATOGRAPHY catalog now.
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ICN Pharmaceuticals, Inc.
For Immediate Action. . . 301 302 303 304 305 306 Î07 308 $09
no »11 S12 (13
Balances Baths; Circulators Biological Analyzers Books; Periodicals; Catalogs Centrifuge Equipment Chemicals; Reagents; Gases Chromatography, Gas Chromatography, Liquid Chromatography, Thin Layer Computers; Calculators Coolers; Freezers Densitometers Electrical Power
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State
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301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 32 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 3 Position
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Analytical Chemistry
city 7ip
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Need a PRIMARY GAS CHROMATOGRAPHIC STANDARD? . . .which is convenient, accurate and stable even for such corrosive gases as HBr or N02? ! These are novel gas standards (pat.pend.):
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.. dormant and stable in septumsealed bottles until activated by heat and released quantitatively ι»
.. available at 1, 10, or 100 ^ g / m l
s SPEX
INDUSTRIES, INC. · BOX 798, METUCHEN, N.J. 08840 · Φ 201 -549-7144 CIRCLE 189 O N READER SERVICE CARD
Analytical Chemistry N E W P R O D U C T S , CHEMICALS, 416 417 418 419 420 421 422 423 443 444 445 446 447 448 449 450 470 471 472 473 474 475 476 477
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JUNE 1977
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ADVERTISED PRODUCTS: 20 47 74 101 128 155 182 209 236
CCDDI IADV Ι r m lb//
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2
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6
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8
9 10 11 12 13 14 15 16 17 18 19
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 4? 43 44 45 46 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 7? 73 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 129 130 131 13? 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 ?32 ?33 234 235 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262
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301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346
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301 Balances 302 Baths; Circulators 303 Biological Analyzers 304 Books; Periodicals; Catalogs 305 Centrifuge Equipment 306 Chemicals; Reagents; Gases 307 Chromatography, Gas 308 Chromatography, Liquid 309 Chromatography, Thin Layer 310 Computers; Calculators 311 Coolers; Freezers 312 Densitometers 313 Electrical Equip: Amplifiers; Power Supplies:
314
.City_
Electrochemical:
pH Meters; Ion
315 Electrophoresis 316 Elemental Analyzers 317 Environmental Analyzers 318 Fourier Transform Data Sys 319 320 321 322 323
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Position
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Product Capsules
No.
.. readily transferred by syringe in convenient aliquots
tems Furniture; Fume Hoods Gas Chrom/Mass Spec Sys tems L a b w a r e : Glass; Plastic; Metal
Lasers Mechanical
Equip:
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Mills; etc. .Telephone,
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324 325
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CHEMISTRY
8660
326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343
P h i l a d e l p h i a , P e n n s y l v a n i a 19101
Microscopes Mixers; Stirrers; Blenders; Shakers Nuclear Instruments Oscilloscopic Instruments Ovens; Furnaces; Heaters Photometers; Colorimeters Pipets; Samplers; Dispensers Pumps; Flowmeters Recorders; Integrators Services, Analytical; Consul tants Signal Averagers Spectro, AA Spectro, Fluorescence Spectro, Infrared Spectro, Mass Spectro, NMR Spectro, UV/Vis Spectro, X-Ray Stills; Demineralizers Supplies:
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etc.
344 345 346
Thermal Analyzers Valves; Fittings; Tubing Vacuum Equipment
