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Pesticide Mix P 100 μg/mL in Acetonitrile标准品
2-氯-4-氟苯硼酸
HYPERPREP HS BDS C18 100A 8UM 250x50MM PREP COLUMN
3,5-二甲基溴苯
SINTERED DISCS, 25 MM DIAM. P 3
LiChroCART 250-10,LiChrospher 100 NH2 10μm定制柱
气相色谱柱,TG-35MS 15m x 0.32mm x 1μm
EXPANSION ADAPTER, NS 29-19, DURAN
Cyclopropylcyclic-triolborate Sodium Salt
痕量金及矿石金分析标准物质