為實驗者效勞
Chromium(III) nitrate 9-hydrate CAS: 7789-02-8
Diethylene glycol CAS: 111-46-6
Diethylene glycol monobutyl ether CAS: 112-34-5
Indigo carmine C.I. 73015
CAS：860-22-0
Dibutyl ether CAS: 142-96-1
