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
丙酮中22种农药混标, 100ppm
M-2A毛细管柱石墨垫(0.20-0.25mm*0.4mm)
活性硅胶溶剂解析柱,300/150MG PK50
SUPELCOSIL LC-CN液相色谱柱
20x2.1mm 1.9um Hypersil GOLD SAX
Eco滴定仪含电极无忧包-15(铂环电极+ 20ml)
Flat sealing ring, black EPDM, 6.5 x78 x 1.5 mm for GLS 80 connection system and GLS 80 stirred reactor
100mL,容量瓶,USP级,透明,3.3玻璃,误差±0.08mL,ST 14/23,玻璃顶塞,蓝标,含证书
Perfluoropentanoic acid标准品
5H-5-甲基-6,7-二氢环戊基吡嗪