為實驗者效勞
Copper(II) chloride 2-hydrate CAS: 10125-13-0
Iodine, solution 0,05 mol/l (0,1 N)
CAS : 7553-56-2
Potassium permanganate
CAS：7722-64-7
Diethylene glycol monoethyl ether CAS: 111-90-0
Barium chloride 2-hydrate CAS:10326-27-9
