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Nitrogen from NaNO3 @ 1000ug/ml in water(有证书)
异丙硝唑 标准品
1-Naphthaleneacetamide
正己烷中甲霜灵溶液标准样品
Diethyl phthalate-3,4,5,6-d4
Tetracosanoic-9,9,10,10-d4 Acid 标准品
冻干粉中克罗诺杆菌属(阪崎肠杆菌)(阳性)质控样
Hexamethylcyclotrisiloxane
1.2-Dimethylnaphthalene Solution 100ug/ml in Toluene
Acetamide-2,2,2-d3; 15N 标准品