Proadifen hydrochloride

α-Phenyl-α-propylbenzeneacetic acid 2-(diethylamino)ethyl ester

SPB^®-5 Capillary GC Column

SPB^®-5毛细管GC色谱柱

SPB^®-5 Capillary GC Column

SPB^®-5毛细管GC色谱柱

Lofexidine-D₄ hydrochloride solution

福尔马肼浊度标准液(0.5 NTU), Turbidity 0.5 NTU Calibration Standard-Formazin

SPB^®-50毛细管GC色谱柱, SPB^®-50 Capillary GC Column

Purospher^® STAR RP-18 endcapped (5μm) Hibar^® RT 125-3

Sodium hexanitrocobaltate(III)

钇AAS标准液, Yttrium Standard for AAS

Benz[a]anthracene

1,2-苯并蒽