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VISNAGIN(P) 标准品
丙酮中毒死蜱溶液标准物质,有证书,1.2mL
GC-IRMS Standards (C25 (δ13C: -28.21); C30 (δ13C: -28.60); C36 (δ13C: -26.15))
吡虫啉-D4标准品,标准品
间苯二胺 标准品
丙酮中甲基毒死蜱
Methyltrichloroacetate Solution 100ug/ml in t-Butylmethyl ether
Complex Mixture of Polycyclic Aromatic Hydrocarbons Coal Tar
螺甲螨酯 BePure-25589YA
哒螨灵溶液溶液,1000ppm