為實驗者效勞
Barium sulfate CAS:7727-43-7
500G
CAS:57-55-6
1,2-Propylene glycol, extra pure, Pharmpur®, Ph Eur, BP, USP
Barium chloride 2-hydrate CAS:10326-27-9
Decahydronaphthalene CAS: 91-17-8
L(+)-Tartaric acid
CAS :87-69-4