為實驗者效勞
Copper(II) sulfate 5-hydrate CAS: 7758-99-8
Dibutylamine CAS: 111-92-2
Diisobutyl ketone CAS: 108-83-8
Diethylene glycol monoethyl ether CAS: 111-90-0
Potassium permanganate
CAS：7722-64-7
