純鹼 [纯碱]

Jyutping seon4 gaan2
Pinyin chún jiǎn

Definitions (CC-CEDICT)
  1. sodium carbonate; soda ash; Na2CO3
Definitions (Wiktionary)
  1. noun, informal
    sodium carbonate
    (syn.) 苏打, 蘇打, 梳打