Sigma-Aldrich
5,10,15,20-Tetraphenyl-21H, 23H-porphine-p,p′,p,p′′′-tetrasulfonic acid tetrasodium hydrate
4,4′,4′′,4′′′-(Porphine-5,10,15,20-tetrayl)tetrakis(benzenesulfonic acid) tetrasodium salt hydrate
Barium titanate(IV)
氧化钡钛
Carbon
活性炭黑
Cerium(IV) oxide, dispersion
氧化铈(IV)
Coumarin 334
DL -2-Aminobutyric acid
DL -2-氨基丁酸
Ethyl Laurate
月桂酸乙酯
Germanium(IV) oxide
二氧化锗
Greiner pipette tips
Greiner screw cap