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Tube furnace

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20: 75:) offered in certain models can now produce working temperatures up to 1800 °C. This facilitates more sophisticated applications. Common material for the reaction tubes include 67:
interface, and permit the operator to program segments for uses like ramping, soaking, sintering, and more. Advanced materials in the heating elements, such as
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J. D. Corbett "Synthesis of Solid-State Materials" in Solid State Chemistry: Techniques, A. K. Cheetham and P. Day, Eds. Clarendon, Oxford, 1987.
147:, in the appropriate molar ratio, contained in a platinum or alumina "boat," is heated in a tube furnace at several hundred degrees under flowing 198: 159:. Because of the availability of tube furnaces, chemical vapor transport has become a popular technique not only in industry (see 160: 282: 178:
often utilize a fused quartz tube, usually packed with quartz or ceramic beads, which is heated at high temperatures.
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The tube furnace was invented in the first decade of the 20th century and was originally used to manufacture
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is prepared in a tube furnace followed by purification, also in a tube furnace using the technique of
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reactions, involving either organic or inorganic reactants. One such example is the preparation of
152: 40: 24: 277: 194: 44: 256: 232: 213:"On a New Type of Electric Furnace, with a Redetermination of the Melting-Point of Platinum" 36: 48: 228: 287: 122: 51:
that are embedded in a thermally insulating matrix. Temperature can be controlled via
271: 110: 84: 56: 255:) and Its Intercalation Compounds" Inorganic Syntheses 1995, volume 30, pp. 155. 212: 167: 106: 260: 88: 59:. More elaborate tube furnaces have two (or more) heating zones useful for 237: 19: 92: 52: 99: 76: 47:. One possible design consists of a cylindrical cavity surrounded by 171: 148: 64: 80: 18: 121:
An example of a material prepared using a tube furnace is the
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which may employ a tube furnace in the 'ketene lamp'.
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device used to conduct syntheses and purifications of
63:. Some digital temperature controllers provide an 139:. A mixture of finely powdered CuO, BaO, and Y 8: 23:Tube furnace being used during synthesis of 236: 163:) but also in the research laboratory. 87:, or in the case of corrosive materials 251:J. F. Revelli, "Tantalum Disulfide (TaS 186: 7: 166:Tube furnaces can also be used for 217:Proceedings of the Royal Society A 14: 211:Harker, J. A. (December 1905). 1: 304: 261:10.1002/9780470132616.ch32 161:van Arkel–de Boer process 117:Illustrative applications 157:chemical vapor transport 27:using HCl and aluminium 16:Electric heating device 238:10.1098/rspa.1905.0023 176:Flash vacuum pyrolysis 28: 69:molybdenum disilicide 61:transport experiments 22: 283:Laboratory equipment 43:and occasionally in 229:1905RSPSA..76..235H 95:tubes can be used. 41:inorganic compounds 153:tantalum disulfide 29: 25:aluminium chloride 45:organic synthesis 295: 263: 249: 243: 242: 240: 223:(507): 235–249. 208: 202: 191: 37:electric heating 303: 302: 298: 297: 296: 294: 293: 292: 268: 267: 266: 254: 250: 246: 210: 209: 205: 192: 188: 184: 146: 142: 137: 133: 129: 119: 74: 17: 12: 11: 5: 301: 299: 291: 290: 285: 280: 270: 269: 265: 264: 252: 244: 203: 185: 183: 180: 144: 140: 135: 131: 127: 123:superconductor 118: 115: 72: 15: 13: 10: 9: 6: 4: 3: 2: 300: 289: 286: 284: 281: 279: 276: 275: 273: 262: 258: 248: 245: 239: 234: 230: 226: 222: 218: 214: 207: 204: 200: 199:0-19-855165-7 196: 190: 187: 181: 179: 177: 173: 169: 164: 162: 158: 154: 150: 138: 124: 116: 114: 112: 108: 104: 101: 96: 94: 90: 86: 82: 78: 70: 66: 62: 58: 54: 50: 49:heating coils 46: 42: 38: 34: 26: 21: 247: 220: 216: 206: 189: 165: 151:. Similarly 120: 107:Nernst lamps 97: 85:fused quartz 57:thermocouple 33:tube furnace 32: 30: 168:thermolysis 272:Categories 182:References 89:molybdenum 103:filaments 278:Furnaces 93:tungsten 53:feedback 225:Bibcode 172:ketenes 111:glowers 100:ceramic 77:alumina 55:from a 197:  149:oxygen 83:, and 65:RS-232 35:is an 288:Kilns 81:Pyrex 71:(MoSi 195:ISBN 109:and 105:for 257:doi 233:doi 126:YBa 91:or 274:: 231:. 221:76 219:. 215:. 130:Cu 113:. 79:, 31:A 259:: 253:2 241:. 235:: 227:: 201:. 145:3 143:O 141:2 136:7 134:O 132:3 128:2 73:2

Index


aluminium chloride
electric heating
inorganic compounds
organic synthesis
heating coils
feedback
thermocouple
transport experiments
RS-232
molybdenum disilicide
alumina
Pyrex
fused quartz
molybdenum
tungsten
ceramic
filaments
Nernst lamps
glowers
superconductor
YBa2Cu3O7
oxygen
tantalum disulfide
chemical vapor transport
van Arkel–de Boer process
thermolysis
ketenes
Flash vacuum pyrolysis
ISBN

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