如果企业客服不在线,也可拨打400电话联系。或者发布求购信息
Isazophos 标准品
2,3,4,5-四氯苯酚 标准品
2.6-Dimethylnaphthalene Solution 100ug/ml in Toluene
1.2:3.4-Dibenzanthracene
17种有机磷农药混标 Bepure-33067XB
Potassium dihydrogen phosphate - KH2PO4, 99.999%, 0.05% HNO3
正己烷中二硫化碳标准溶液
2,2',5-Tribromobiphenyl
氰氟草酯
2,4-Di-tert-pentylphenol