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
pH indicator paper, fix, pH 0-14, strips 6 x 85 mm, cannot bleed to the sample Case = 100 pcs.
硫酸铈,四水
铁空心阴极灯
LiChroCART 4-4，LiChrospher PAH 5μm定制柱
LiChroCART 55-4,LiChroprep RP-2 25-40μm定制柱
DISTILLING LINKS, WITH SOCKET ST 14/23, CONES ST 19/26, LENGTH 200 MM
净化管
PUNYW7961141 Mirabegron Impurity 29
氢氧化钴
高岭土
