“potassium carbonate”造句，怎麼用potassium carbonate造句

Methods Chalcone derivatives were synthesized from benzaldehyde derivatives and acetophenone by using weak alkali potassium carbonate as based catalyst in water via phase - transfer catalysis.

With Green Freedom, they would pass the air over a solution of potassium carbonate added to the cooling liquid.

The reaction of bis-imidazoline with 1,2-dibromoethane and potassium carbonate in acetonitrile provided monobromide salt with a yield of 78.

The original ammonia removal process by evaporation was replaced by air stripping at vacuum in the production of potassium carbonate with ion-exchange method.

Coumarin has been synthesized in Perkinreaction of acetic anhydride and salicylaldehydecatalyzed by anhydrous potassium carbonate.