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
As砷标液,1000ug/mL溶于5% H2SO4
肉桂酸苄酯
2-溴-4-氟苯甲醚
500MGE1级别,
SS column,12FT*1/8*2.1MM, 80/100 PORAPAK N,PE AUTOSYSTEM XL
固相萃取导管 PK/12
Solvent filters, for 3,2 mm (1/8") tubing, with PTFA membrane and PFA housing Case = 5 pcs.
1,8-辛二硫醇
DROPPING FUNNELS, CYLINDRICAL, GRADUATED ST-STOPCOCK W. SCREW- THREAD RET., NUT, 250:5 ML, C + S
PVC磁力搅拌子回收棒