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5-Methyl-2,2',4,4'-tetrachlorodiphenylmethane
4-Benzylphenol
2-n-Butyldibenzothiophene
4-Chloro-3-methylphenol (ring-2,6-d2)
Tris(1,3-dichloro-2-propyl)Phosphate-d15
甲醇中溴敌隆
大米粉中的氰戊菊酯质控样 BQC1011122887
ICP Multielement Standards - Drinking Water Calibration Stnds (in 2% HNO3 +Tr HF(有证书)
Bueno 标准品
乙醇中稻瘟净溶液标准样品