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氟虫腈亚砜
乙烯菌核利
ELECTROLYTIC TOUGH PITCH COPPER (O) 标准品
Washington VPH Primary Dilution Standard Mixture (no Surrogate) (repkg) 2000ug/ml in Methanol
生活饮用水中氟质控样
Acetaldehyde (DNPH Derivative) Solution 1000ug/ml in Methanol:Acetonitrile (80:20)
Sinapic acid 标准品
2.6-Dimethoxybenzoic acid (无证书)
PL2005农药LC/MS混标6 标准品
trans-Decahydronaphthalene,certified 标准品