Universal (short thread) autosampler microvial

螺纹口样品瓶，棕色玻璃（仅样品瓶）, Vials, screw top, amber glass (vial only)

Vials, screw top, graduated, open-top cap, preassembled

螺纹口带刻度样品瓶，预组装顶部开口瓶盖

经硅烷化处理螺纹口样品瓶, Vials, screw top, silane-treated

Visiprep^TM 固相萃取装置流量控制阀, Visiprep^TM Manifold Flow Control Valve

Watercol^TM 1910 Intuvo Capillary GC Column

L-Valine 2-hydroxyethyl ester p-toluenesulfonate salt