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4-Amino benzophenone (无证书)
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Arsenic - As2O3 as As+3, 99.999%, 2% HCl(有证书)
N.N-Dimethylsuccinamic acid Solution 100ug/ml in Acetonitrile
鸡蛋 环丙氨嗪
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(4-Carboxybutyl-2,2,3,3-d4)triphenylphosphonium Bromide 标准品
12种醛酮类衍生物混标(以未衍生浓度计)
HJ 584-2010 8种苯系物混标
SULPHUR CINQUENFOIL STEM VBRM 标准品