為實驗者效勞
Bromothymol blue, indicator CAS:76-59-5
5G
Diacetylmonoxime CAS: 57-71-6
CAS:57-55-6
1,2-Propylene glycol, extra pure, Pharmpur®, Ph Eur, BP, USP
CAS:1310-73-2
L(+)-Tartaric acid
CAS :87-69-4