diffhistIodine18:10+48192.80.175.248talk(→History: Clarified the meaning. Original text implied that it was typical practice to add sulfuric acid to destroy the seaweed ash after the extraction of sodium carbonate. New text matches better with the meaning of Humphry Davy's 1814 letter (https://doi.org/10.1098%2Frstl.1814.0007) which suggests that this was done as part of an investigation into the causes of corrosion.)Tag: Visual edit