Sigma-Aldrich
Germanium(IV) oxide
二氧化锗
Greiner pipette tips
Greiner screw cap
Guanidine-13C,15N3 hydrochloride
胍-13C,15N3 盐酸盐
Hamilton® needles for LT and TLL syringes
用于 Luer 针头和带 TLL 锁定器进样针的 Hamilton® 针头
Indium
铟