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First Standard® 乙腈中6种化合物混标溶液,100μg/mL
GAS OIL (0.0203 % S) 标准品
CUST. STD. DISULFIDES (5 COMP.) 1000μG/M L IN METHYLENE CHLORIDE, 1ML(MOQ 4X1 标准品
7.12-Dimethylbenz(a)anthracene (d16) Solution 50ug/ml in Methylene chloride
2-巯基苯并噻唑
Chlorbromuron Solution 100ug/ml in Acetonitrile
4-Chlorobutyric acid (无证书)
AHD (呋喃妥因代谢物) 标准品
邻苯二甲酸二环己酯(DCHP) 标准品
庚酰草胺 标准品