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对甲苯基五氟化硫
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SPE固相萃取柱 QuEChERS-2mL 50mg PSA/50mg C18/7.5mg GCB/150mg MgSO4 100pk
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N,N,N',N'-四(对甲苯基)联苯胺 (升华提纯)
,N',N'-四(4-甲苯基)-1,1'-联苯-4,4'-二胺;N,N,N',N'-四(4-甲苯基)联苯胺N,N,N',N'-Tetrakis(4-methylphenyl)benzidine
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-50mg 精吡氟禾草灵 CAS号41093-68-9
-
-50mg 2,4-滴钠盐 CAS号83048-35-5
-
SPE固相萃取柱 QuEChERS-2mL 50mg PSA/50mg C18/7.5mg GCB/150mg MgSO4 100pk 60186
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对四联苯 | 135-70-6 | 乐研
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对三联苯-D14标准品 BePure-27011X
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对三联苯-D14标准品 BePure-27011YD
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艾杰尔CleanertQuechers150mg Anhydrous MgSO4; 50mg PSA; 50mg C18; 7.5mg PC, Screw centrifugaL tube, 100/Pk
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