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定制混标51 标准品
甲醇中杀螟丹溶液标准物质
o.p'-DDE Solution 100ug/ml in Methanol
4-Amino-5-cyano-2-methylpyrimidine
Diquat Dibromide monohydrate Solution 1970ug/ml in De-ionized water
丁苯咪唑-D3 BePure-24676
丙烯酰胺溶液,1000ppm
100ug/ml Ammonium in water for Ion Chromatography(有证书)
丙酮中异柳磷溶液标准样品
2-Acetamidofluorene, Comet assay grade