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
PUNYW26473259 Plastic Additive 12
马钱苷 对照品
First Standard® 甲醇中丙硫磷溶液, 100μg/mL
CHROMIUM-50 METAL (50Cr)
4-氯苯氧乙酸钠
Vardenafil-d5 (N-ethyl-d5)
18种农药混标
ICP Analytical Mix XII
Gold Powder (Au) 99.999%
2.2.4.4-Tetramethyl-1-3-cyclo-butanediol (无证书)