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丙酮中伏杀硫磷溶液标准物质
N-甲基二(三氟乙酰胺)
5种元素定制混标(HJ700–2014)
100ML气密进样针,带预装的Luer Lock Valve
岛津配件
GRADUATED CYLINDERS, LOW SHAPE, 50 ML, PMP, CRYSTAL CLEAR, PACK OF 12 PCS
HitHunter 100-10 Purospher STAR RP-18 endcapped (5 um) HPLC ready-to-use-column
250mL冷凝器
磁力搅拌子,PTFE,15x8 mm,八角柱形,带中心环
7-氯-1H-吡咯[2,3-C]吡啶