為實驗者效勞
Copper(II) sulfate 5-hydrate CAS: 7758-99-8
Indigo carmine C.I. 73015
CAS：860-22-0
L(+)-Tartaric acid
CAS :87-69-4
Diethylene glycol monoethyl ether CAS: 111-90-0
Diethylene glycol monobutyl ether CAS: 112-34-5
