英语释义
1. any of three crystalline oxalates of potassium:
2. the normal efflorescent soluble salt K2C2O4.H2O used chiefly in preventing the clotting of blood (as in blood tests) and formerly in photography
3. a bitter poisonous acid salt KHC2O4.H2O found especially in oxalis and rhubarb and used chiefly in removing ink stains and scouring metals; potassium hydrogen oxalate — called also potassium acid oxalate, salt of sorrel
4. potassium tetroxalate