為實驗者效勞
Bromophenol blue, indicator CAS:115-39-9
5G
Diethylene glycol monoethyl ether CAS: 111-90-0
Dibutyl ether CAS: 142-96-1
Dibutylamine CAS: 111-92-2
2,6-Di-tert-butyl-4-methylphenol CAS: 128-37-0