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5-硝基苯并咪唑
抑芽唑溶液,100ppm
39种农残混标a组(GB/T20769
GC/MS Pesticides - Mix 2 (GPE-2) 标准品
Hexachloroethane (1-13C)
Methylene Chloride in Methanol (Nominal Mass Fraction, 0.01 g/g)
AROCLOR STANDARD MIX 1, 1X1ML, ACETONE:M EOH(40:60) VARIED 标准品
1,3,5-TRICHLOROBENZENE 5000UG/ML IN MEOH , 3 X 1ML 标准品
4-Azidosalicylic Acid
鸡肉粉中的莱克多巴胺 BQC1344125422
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