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1-Methylnaphthalene 标准品
4-Aminobiphenyl 4-氨基联苯
双苯恶唑酸 BePure-23673
Phthalanillic acid Solution 100ug/ml in MTBE
Arochlor 1262 Solution 100ug/ml in Transformer Oil
75457, Al-0.1 % Ag (0.1 mm foil) 标准品
Oxyfluorfen
GPC标样-聚苯乙烯磺酸钠(Mw 829500)(阴离子,窄MWD) 标准品
PPG-2 Hydroxyethyl coco/isostearamide
Benzo[c]phenanthrene[1,4]quinone