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in which the sand is replaced with water. It can be used to keep a reaction vessel at the temperature of boiling water until all water is evaporated (see
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to heat the remainder, cutting down on both the duration of the reaction and the possibility of side reactions that may occur at higher temperatures.
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This technique allows a reaction vessel to be heated throughout with minimal stirring, as opposed to heating the bottom of the vessel and waiting for
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is then partially covered by sand or pellets. The sand or shot then conducts the heat from the plate to all sides of the reaction vessel.
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Patent illustration of a sand bath. Cutaway sections show heating elements around the bowl containing sand.
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Sand baths are one of the oldest known pieces of laboratory equipment, having been used by the
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is a common piece of laboratory equipment made from a container filled with heated
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Cyclopædia, or an
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A sand bath is most commonly used in conjunction with a
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Copper sulfate solutions being heated in a sand bath
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