為實驗者效勞
Bromocresol purple, indicator CAS:115-40-2
5G
L-Histidine hydrochloride 1-hydrate 98.5%, extra pure, Ph Eur, BP
CAS:5934-29-2
Silver nitrate
CAS: 7761-88-8
Diisopropanolamine CAS: 110-97-4
Diethylene glycol monoethyl ether CAS: 111-90-0