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水流动相GPC标样-聚环氧乙烷, 阴离子,宽MWD; Aqueous GPC/SEC StandardssPolyethylene Oxide, Anionic, Broad MWD Polyethylene Oxide; Mw 700500, Mn 320500, IV 3.879 ; IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C (a = 0.693; K = 0.000365)
Fosetyl aluminium 标准品
2,2',3,4,5,5',6-Heptachlorobiphenyl 标准品
乙酸乙酯中呋喃丹
1,1,2-Trichloroethane 标准品
Uniconizole-P Solution 100ug/ml in Methanol
2,2’,4,5’-四氯联苯
甲醇中杀线威
Ethyl acetamidocyanoacetate (无证书)
HORSETAIL (Equisetum arvense) RGBRM 标准品
3-Ethoxyphenol