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
Ethyl hexadecanoate
Panaxatriol 标准品
Pentachloronitrobenzene Solution 1000ug/ml in Isooctane
2,4-二硝基苯酚溶液,100ppm
2',3,4-三氯联苯
Lithium - 1% HCl(有证书)
CARBOPHENOTHION, 1GM标准品
Single 16 EPA-PAH Kit, solutions in toluene, ass concentrations. See page 137 in the 2008 Catalogue
11种农药混标(GB 23200.11-2016 LC组D)
乙虫清(符合:GB 2763-2016)