為實驗者效勞
Benzaldehyde CAS:100-52-7
1L
Potassium permanganate
CAS:7722-64-7
Diethyl ether CAS: 60-29-7
CAS:1310-73-2
Iodine, solution 0,05 mol/l (0,1 N)
CAS : 7553-56-2