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三氯乙酸
300ul fused insert样品瓶 钳口瓶 100个/包装
LiChroCART 150-10,LiChrospher 100 Si 10μm定制柱
Perfluorohexyl Bromide
ASPIRATION TUBE M8/THR.NIPPLE M10:120 MM
Cartridge adapter set 40mm (incl. 2x tubing, 5x fitting, 10x ferrules)
定制9种农残混标(HJ753)
GL-PAK CARBONGRAPH石墨碳小柱,300mg/6ml
环戊酮肟
1,4-丁炔二醇