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烧杯,低型,ETFE材质,250: 50 ml
丙酮中甲胺磷溶液标准样品
CRYOVIALS, PP, -20 +196°C, SCREW CAP W. SEAL JOINT, 4,0 ML, ROUND, 1 BAG = 100 PCS, 1 CARTON = 10
纺织品中重金属空白样品A待测目标物Pb/Cd/Hg/As
塑料咖啡勺
FILTER DISCS, POR.1, D. 20 MM, DURAN
SPUTUM COLLECTING CONTAINERS, 16 ML, PS, WITH STOPPER AND SPOON, PACK = 1000 PCS.
螺旋口样品瓶2 mL 透明8 mm 100个/包装
19种元素ICP-MS混标,溶于2% HNO3
BETABASIC 18 3UM 10X3MM JAVELIN GUARDS 4/PK