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4-氯-2-(1H-吡唑-3-基)苯酚
梨型分液漏斗(特氟龙塞)100ml
多元素标准溶液W-IV
滴定管夹,PP材质,白色,可放置2支滴定管
Bond Elut Si SPE 小柱, 120um, 500mg/3ml
乙腈中苯螨特溶液
PRECISION DENSITY HYDROMETER, DIN 12785 WITH THERMOMETER +10 +25°C, L. 430 MM L20 TH, RANGE 0,660
SINGLE WAY STOPCOCKS, TAPER 1:5, GROUND AND POLISHED, WITHOUT KEYS, BORE 4 MM, NS 18.2, DURAN
50x3mm 3um Hypersil GOLD Amino
环氧丙烷,分析标准品,≥99.7% (GC)