Nitrogen was found very readily by the soda lime test in the tar left after extracting the original material with 50 per cent.
The ether was distilled out, leaving the tar intimately mixed with the soda lime.
soda lime and potassium permanganate and nickel salts were among the neutralizers used.
soda lime n.
A mixture of calcium hydroxide and sodium hydroxide used to absorb carbon dioxide in rebreathing apparatus and in anesthesia circuits.