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BOXES, WITH ATTACHED LID, PE 8 ML, OD 17 MM, HEIGHT 58 MM
氯丁二烯 质控样
ASTM D5769 Aromatics in Finished Gasoline Cal. Std. #2 w/o IS, (RM, ISO GUIDE 34)标准品
GUKO, RUBBER GASKET, CONICAL, O.DIAM. SIZE TOP: 21 MM, SIZE BOTTOM: 12 MM, HEIGHT: 18 MM
RP-18薄层层析板 (含荧光指示剂),铝板
中心集液 (CD) 螺纹样品瓶,仅样品瓶
(1R,2R)-(+)-1,2-二苯基乙二胺
甲醇中10中挥发性有机物
高敏感度大肠菌群计数板(5ml型) High Sensitivity Coliform Count Plate
VACUUM RUBBER TUBING, 2 METERS