Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Patent
1997-11-24
1999-11-16
Brock, Michael
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Content or effect of a constituent of a liquid mixture
73 2325, G01N 3054
Patent
active
059837101
ABSTRACT:
A modular chromatography column heating and temperature control system includes a heater base module with a compartment for the chromatography column that includes a heater plate. A set of heater blocks is provided in pairs, each heater block having opposite main faces in which are formed channels that match chromatography columns of different diameters. The heater blocks are mounted in pairs on the heater plate with the chromatography column held between them in matching channels on the two adjacent main faces of the heater blocks. An appropriate number of pairs of heater blocks are mounted to the heater plate so that the pairs of heater blocks cover as much of the length of the chromatography column as desired. The set of available pairs of heater blocks may include heater blocks of different lengths, so that appropriate selections of pairs of heater blocks can be made to best match the length of the chromatography column. The heater blocks are formed of a good heat conductor, such as aluminum, to efficiently conduct heat from the heater plate to the chromatography column or away from the chromatography column to maintain the column at a desired temperature.
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Supelco catalog p. 347, 1992, SSI Model 505 LC Column Oven.
The Anspec Company, Inc. Bulletin #17, p. 18, HPLC Temperature Control, published prior to 1997.
Brochure, Alltech Model 330 Column Heater, published prior to 1997.
Pickering Laboratories brochure, CHX650 Column Temperature Controllers, 1992.
Novex brochure, TSK-6097 Column Thermostat for HPLC, published prior to 1997.
Lab Products International, Dec. 1992, advertisement: Column Oven for HPLC/SFC.
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Rainin Catalog--.sctn. 5.01 Dynamax Model A1-1A Automatic Sample Injector, .sctn. 7.08 ICI.
Air Oven for Column Temperature Control, .sctn. 8.01 Timberline Instruments Low-Cost Column Temperature Controller, .sctn. 8.02 Timberline Instruments Stackable Front-Entry Column Heater, .sctn. 8.03 Eldex HDCL Column Temperature Controller, published prior to 1997.
Brochure page, Meta Therm Column Heaters, published prior to 1997.
Alltech brochure, pp. 10-11, Timberline Column Heaters, Reaction Module, and Controller, published prior to 1997.
Brochure by Jones Chromatography, New Model 7990 Space Column Heater, New Model 7955 HPLC Column Heater/Chiller, published prior to 1997.
Euramark brochure, Mistral HPLC Column Thermostat, Full Range HPLC Temperature Control, published prior to 1997.
Brochure, JM Science, Inc., High Precision Column Oven for HPLC Heating and Cooling, Programmable Kuhlofen K-4 for HPLC, published prior to 1997.
Brochure, Bio-Rad HPLC Column Heater: High Control at a Low Price, 1992.
Uhen David A.
VerStrate Troy A.
Brinkman Instruments, Inc.
Brock Michael
Politzer Jay L.
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