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苯并(k)荧蒽标准溶液,2000μg/ml in Toluene
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芘标准溶液,129-00-0,2000μg/ml in Toluene
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苊烯标准溶液,208-96-8,2000μg/ml in Toluene
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苯并(a)芘标准溶液,50-32-8,2000μg/ml in Toluene
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First Standard® 水/乙腈中3种糖类混标,20000μg/mL
3 Sweetener Mix Solution in Acetonitrile/Water, 20000μg/mlFirst Standard®天津
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Spectra Por G235057 Float-A-Lyzer G2 Dialysis Device, 20000 MWCO, 5 mL; 12/Pk
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苯并(b)荧蒽标准溶液,205-99-2,2000μg/ml in Toluene
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异辛烷中α-六六六标样,319-84-6,30μg/mL~60μg/mL,分析标准品
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δ-六六六标准溶液,319-86-8,analytical standard,50ug/ml in methanol:toluene(4:1)
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γ-六六六标准溶液,58-89-9,analytical standard,50ug/ml in methanol:toluene(4:1)
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