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四氢呋喃 HPLC(沪试)
PMI三氟甲烷磺酸钪
CENTRIFUGE TUBE, LARGE VOLUME, CONICAL BOTTOM, GRADUATED, PLAIN TOP 24 MM FOR METAL CLIP, 140 ML,
SINGLE WAY STOPCOCKS, TAPER 1:5, WITH PTFE KEYS, BORE 10 MM, NS 28, DURAN
SPATULA, DOUBLE, CHATTAWAY, MADE OF STAINLESS STEEL, BENT, 9 X 60 MM, LENGTH 200MM
磷酸二苯酯
电极配件
HYPERSIL GOLD PFP 5UM 50X0.3MM KAPPA COLUMN
600ml 高型厚烧杯
ZnSe光学元件