為實驗者效勞
Boric acid CAS:10043-35-3
5KG
Silver nitrate
CAS: 7761-88-8
Indigo carmine C.I. 73015
CAS:860-22-0
Diacetylmonoxime CAS: 57-71-6
Decahydronaphthalene CAS: 91-17-8