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HEXACHLOROETHANE 标准品
Polyethylene Glycol1500
19种解草嗪、莎稗磷、二丙烯草胺等农药残留(GB23200.33-2016组E)
吡唑硫磷
双甲脒 BePure-20323MA
对乙酰胺基苯亚磺酸钠
Acrylamide Solution 1000ug/ml in De-ionized water
己醛-2,4-DNPH标准品
Zinc diamyldithiocarbamate
2.3-Dichlorobenzoic acid (无证书)