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噻虫嗪溶液,1000ppm
PFBOA glyoxalaldoxime (syn/anti), 100μg/ml in n-hexane
MCPB methyl ester Solution 100ug/ml in MTBE
2,2',3,3',6,6'-Hexachlorobiphenyl 标准品
Germanium - Ge metal, 99.999%, 2% HNO3 + 0.5% HF
PUNYW24869301 Zoledronic Impurity 1
2,4,5-T acid 标准品
邻苯二甲醛(无证书)
3,3'-Dimethylbiphenyl
10种农药混标(GB 23200.12-2016 LC组A)