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About Laboratory Furnaces
Laboratory furnaces provide continuous heating to process samples and materials. They are generally built from high temperature (refractory) materials so that they can maintain high temperatures without breaking down. Often, laboratory furnaces are set to function for months at a time to complete a processing set. Configuration, general specifications, tube furnace features, and atmosphere and control are all important to consider when searching for laboratory furnaces.
Choices for configuration for laboratory furnaces include ashing, box or muffle, bottom loading, top loading, and tube. Ashing is also referred to as charring; this is the step in a graphite furnace AA program that is designed to remove matrix constituents that might interference with the measurement of the analyte. Box furnaces are convenient furnaces to use. As the name implies, the furnace has a box shape and a box-shaped interior. Bottom loading furnaces load the sample or product to be treated through the bottom of the chamber via a platform elevator. In top loading laboratory furnaces the product to be processed is loaded through the top. Tube furnaces are designed to heat a tube that is usually 50 to 100 cm in length and from 25 to 100 mm in diameter. Samples are placed inside the tube in ceramic or metal boats using a long push rod. The tube is surrounded by heating elements, which may also incorporate a thermocouple (a thermocouple can also be inserted down the tube if desired).
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Engineering Web: Laboratory Furnaces
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Laboratory Ovens and Furnaces from Terra Universal Laboratory Furnaces Terra Universal carries a complete line of laboratory furnaces, including muffle, tube, vacuum and high See Terra Universal, Inc. Profile & Catalog |
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Laboratory Furnaces, Laboratory Furnaces Suppliers, Laboratory... Home > Laboratory & Scientific Instruments > Clinical Research Labware > Laboratory Furnaces |
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Department of Energy - Homepage > Choose One: Ames Laboratory Argonne National Laboratory Brookhaven National Laboratory Fermi National Accelerator Laboratory Idaho National See U.S. Department of Energy Information |
