為實驗者效勞
Calcium lactate 5-hydrate CAS: 28305-25-1
Barium chloride 2-hydrate CAS:10326-27-9
Diethylamine CAS: 109-89-7
L(+)-Tartaric acid
CAS :87-69-4
Potassium permanganate
CAS：7722-64-7
