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茶氨酸溶液, 100ppm
2,2‘,4,5,5‘-五氯联苯,100ug/ml于异辛烷 标准品
GERANYL ACETATE(SG) 标准品
78909, Zircaloy-4 (trace element impurities) 标准品
毒死蜱农药纯度标准物质
2-Nitro-p-cymene (无证书)
Nitazoxanide 标准品
10种烷烃混标
(±)-1-Phenyl-d5-ethanol 标准品
Massachusetts EPH Aromatic Hydrocarbon Standards Mixture (repkg) 1000ug/ml in Methylene chloride