Zirconium standard solution

带有 TFE/橡胶隔垫的带孔螺纹盖, Assembled screw cap with hole and TFE/rubber septum

色氨酸, Tryptophan

Guanine

鸟嘌呤

4,4′,4″,4″′-(Porphine-5,10,15,20-tetrayl)tetrakis(benzenesulfonic acid)

meso-Tetraphenylporphine-4,4′,4″,4″′-tetrasulfonic acid

ENVI^TM-18 DSK SPE Disk

ENVI ^TM-18 DSK SPE 萃取盘

Erythrosin B

赤藓红

Closures for Snap Ring vials

用于卡口样品瓶的瓶盖

Vial crimp seals with PTFE/silicone/PTFE septa

ABC Vial^TM, 2 mL (vial only), 9 mm thread

ABC Vial^TM（仅样品瓶）