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
2.3.3'.5.6-Pentachlorobiphenyl (无证书)
Sulfamerazine
氰氟草酸
Benzoin n-propyl ether (无证书)
(办证) Fenitrothion D6 (O,O-dimethyl D6),certified 标准品
百草枯农药纯度标准物质
5-(Hydroxymethyl)furfural
9种有机氯混标
2,2',3,3',5,6-Hexachlorobiphenyl Solution in Methanol (无证书)
芹菜粉中的毒死蜱质控样 BQC1350321307