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F1级砝码
填充柱10%Carbowax 20M on Chromosorb WHP 80/100
Clamps for Glass Joints - Conical
CRYSTALLIZING DISHES, WITHOUT SPOUT WITH NOTATION BADAGE,MADE OF BOROSILICATE GLASS,O.D. 40 MM, 20
LABOPETTOR 0.5-10 ul 数字可调八道移液器
钳口瓶 10mL 棕色瓶 20mm 125个/包装
烯丙基丁二酸酐
BALLOONS FOR GAS SAMPLING, 8 Liters
砷(As)ICP-MS标准溶液,10000mg/L±0.3%溶于10% HNO3
2,3,5-三-苄基-D-阿拉伯呋喃糖苷