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
7种阴离子混标,F/Cl/NO2/Br/NO3/PO4/SO4,10mg/L溶于 H2O
LiChroCART 30-3,LiChroprep 60 Si 40-63μm定制柱
3-吗啉丙磺酸(MOPS)
阿斯巴甜(甜味素)
Difenoconazole,10ng/ul 标准品
T-Type Valve, Push Fit
APPARATUS FOR MACRO-KJELDAHL- DISTILLATION, COMPL.
LICHROSORB SI100 SILICA 5UM 150X4MM COLUMN
REACT.VESSEL 743/763 117X
SCREW CAPS, TOP WITH HOLE, GL 25