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
GLASS COL. 1MX1/4",2MM ID P/W3%SE-30, CH ROMOSORB WNAW 80/100, PRECOND.
1-氮杂-18-冠-6-醚
玻璃纤维滤纸 Whatman,直径70mm,GF/D,2.7μm
2-硝基肉桂酸
固相微萃取头,65UM PDMS/DVB 自动
BEAKERS, TALL FORM, MADE OF QUARTZ-SILICA, WITH SPOUT,DIN 12331 50 ML,38X65 MM
乙二胺四乙酸四钠盐二水合物
PE FILTER 2UM 10X
气相填料
4-辛基-4-联苯基羧酸