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
盐酸氯苯胍
4'.5'-Dichlorofluorescein (无证书)
Pesticide-Mix 101,50ng/ul 标准品
10种多溴联苯醚混标(定制混标)
1.4-Dimethoxy-2-nitrobenzene (无证书)
N-(3-Phenylpropionyl)glycine-3C2,15N 标准品
2-Naphthoxyacetic acid Solution 100ug/ml in MTBE
SPIKED SKIM MILK POWDER (trace elements) 标准品
SEWAGE SLUDGE (domestic origin) (trace elements) 标准品
邻苯二酚;儿茶酚