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
PVC中六价铬标准物质
5(6)-羧基荧光素琥珀酰亚胺酯
(4-Chlorophenyl)cyclic-triolborate Potassium Salt
1G砝码,E1级别,带NVLAP证书
M17琼脂
3-溴-1-甲基-1H-吡唑
1,5-Dimethyl-1,2-dihydro-pyrazol-3-one
TEST TUBES, W.SCREW CAP, POLYSTYRENE, ROUND BOTTOM, 16 ML, 16 X 120 MM
NUCLEOSIL C18 10UM 200X4.6MM COLUMN
十二醛