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Selenium Powder (Se) 99.999%(有证书)
PUNYW27353247 R(OH), S-Metconazole ((1R,5S)-5-[(4-chlorophenyl)methyl]-2,2-dimethyl-1-(1,2,4-triazol-1-ylmethyl)cyclopentan-1-ol)
灭菌磷
3,4-DICHLOROPHENYLDIPROPIONAMIDE PESTANA 标准品
n-tert-Butylacrylamide
Temephos Solution in Toluene
那他霉素(微生物发酵法)溶液,100ppm
植物源性食品中41种农药混标 BePure-30718LB-d
COD速测仪专用氧化剂
醌氢醌(无证书)