soda lime

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A mixed hydroxide of sodium and calcium made by slaking lime with caustic soda solution (to give NaOH+Ca(OH)2) and recovering greyish white granules by evaporation. The material is produced largely for industrial adsorption of carbon dioxide and water, but also finds some applications in pollution and effluent control. It is also used as a laboratory drying agent.

Subjects: Chemistry.

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