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19种农药混标/ISO6468农药标样
1-Naphthalenemethylamine (无证书)
SERPENTINE HYDROGEN TARTRATE(RG) 标准品
丙酮中噻螨酮
NSI 饮用水QC样-TOC/DOC
吉马酮 对照品
羟基保泰松-13C6 BePure-20350
2.6-Dibromobiphenyl Solution 100ug/ml in Hexane (无证书)
Mecoprop-P
Propane in Air (Nominal 3 μmol/mol)