為實驗者效勞
Bromocresol purple, indicator CAS:115-40-2
25G
Diethyl ether CAS: 60-29-7
Diisopropanolamine CAS: 110-97-4
L-Histidine hydrochloride 1-hydrate 98.5%, extra pure, Ph Eur, BP
CAS:5934-29-2
Barium chloride 2-hydrate CAS:10326-27-9