乙醛：CH3CHO+2Ag(NH3)2OH→CH3COONH4+H2O+2Ag↓+3NH3 甲醛：HCHO + 4[Ag(NH3)2]OH ---> 4Ag↓ + 6NH3↑ + (NH4)2CO3 + 2H2O 葡萄糖：CH2OH-CHOH-CHOH-CHOH-CHOH-CHO+2Ag(NH3)2OH→　CH2OH-CHOH-CHOH-CHOH-CHOH-COONH4+2Ag↓+3NH3+H2O 都用水浴加热。