為實驗者效勞
Copper(II) sulfate anhydrous CAS: 7758-98-7
Diethyl ether CAS: 60-29-7
Dibutyl ether CAS: 142-96-1
Diethylamine CAS: 109-89-7
Iodine, solution 0,05 mol/l (0,1 N)
CAS : 7553-56-2
