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SiliaFlash G90 超纯硅胶
(定制产品)16种元素ICP-MS混标,溶于10% HNO3 + 0.5% HF
EQUITY-5 毛细管柱
Sample Loop PEEK 50μL Tube
气相色谱柱,TRACE TR-5 气相柱, 30m, 0.53mmID, 1μm 液膜厚度
LiChroCART 75-4,LiChrosorb DIOL 5μm定制柱
TUBING, PVC, HIGH PRESSURE, SHEATED, W. TISSUE LAYER INSIDE, 9 MM I.D. WALL THICKNESS 2 MM
500ml透明广口瓶0.015INCH TEFLON
SPE ENVI-DISK47mm过滤夹
PUNYW9251100 Levocetirizine Lactose Ester Impurity