Nitrogen, argon, sodium chloride (table salt), sodium carbonate (soda ash), and silicon dioxide (sand) are effective if they are dry.
en.wikipedia.org Chemicals employed typically include sodium carbonate, sodium bisulfite, tannin, phosphate and an anti-foaming agent.
en.wikipedia.org In one route of preparation, an excess of acetylsalicylic acid is dissolved in aqueous sodium carbonate.
en.wikipedia.org White liquor also contains minor amounts of sodium carbonate, sodium sulfate, sodium thiosulfate, sodium chloride, calcium carbonate and other accumulated salts and non-process elements.
en.wikipedia.org Like picric acid, it is a moderately strong acid, capable of displacing carbon dioxide from solutions of sodium carbonate, for example.
en.wikipedia.org