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
1,3,8,9-Tetrachlorodibenzo-p-dioxin
Sennoside B
PCB No. 185,neat 标准品
09299, EUROSOIL (adsorption coefficients and pH) 标准品
7-Aminosuccinylbenzo[a]pyrene
Purgeables-Aromatics-Method 602-Mixture 100ug/ml in Methanol
Diisoamyl oxalate
10种SVOC混标 BePure-33872Y4D
邻苯二甲酸二异戊酯溶液,100ppm
PBB-No. 10,neat 标准品