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钳口/螺口
三甲胺 N-氧化物二水合物,98.0%(T)
氯化铵
Dodecyl Acetate
Removable needles, for syringes Series N and H, Tip Style a, 0,47 x 51 mm, 5 μl, tapered, Case = 3 pcs.
colorband 样品瓶 样品 套装
Eco滴定仪必备包 (20ml)
BOTTOM OF TITR. VESSEL 20 B
MEASURING BEAKERS, WITH HANDLE AND SPOUT, TRANSPARENT,PP BLUE GRADUATED, 3000:100 ML; H 242; ? 17
4-溴-2-碘苯酚