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有机氯农药混合对照品溶液
(6301)Eu铕标液
智能电极电缆
BEAKER WITH HANDLE, 500 ML, TALL FORM, BOROSILICATE-GLASS, WITH GRADUATION AND SPOUT, AUTOCLAVAB
RED CONICAL STOPPER - 20x14 mm, h 24 mm
LiChroCART 10-10,LiChrospher 100 RP-8e 5μm定制柱
玻璃活塞气体采样瓶,1000ML
Amicon Centrifugal 4ml 30K NMWL 滤器
Triadimenol,10ng/ul 标准品
气相色谱柱,TRACE TR-FAME 气相柱, 30m, 0.25mmID, 0.25μm 液膜厚度