為實驗者效勞
Bismuth(III) oxide 9 CAS:1304-76-3
100G
Diethylene glycol monoethyl ether CAS: 111-90-0
Diethylene glycol CAS: 111-46-6
Iodine, solution 0,05 mol/l (0,1 N)
CAS : 7553-56-2
Dextrin white CAS: 9004-53-9