Soda Lime
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
Soda lime is a solid, porous alkaline substance used for the absorption of carbon dioxide. It is prepared by the action of a strong solution of caustic soda on quicklime, resulting in a highly effective absorbent for laboratory and medical use.
Encyclopedia entry (1928–1936)
SODA LIME (natron lime), a solid, porous alkaline mass used for the absorption of CO2. It is prepared by the action of a strong solution of caustic soda on quicklime; the mixture heats up, swells, and solidifies, forming a porous substance which is then dried. By presenting a large surface area for absorption, it acts more energetically than dry caustic soda or potash. While absorbing CO2, soda lime releases water; therefore, in quantitative analyses, devices for absorbing water should be placed after the devices containing soda lime.
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“Soda Lime.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.com/article/soda-lime/