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
三聚磷酸钠
洗瓶,PE-LD材质,1000 ml,GL 28洗瓶头
7种阴离子混标,Cl/Br/SO4/NO3(as N)/PO4(as P)/F/NO2(as N),10mg/L溶于 H2O
KPG STIRRER BEARINGS,DURAN, HB 16 POLISHED, WITH LUBRICATING CUP
间三氟甲氧基苯酚
乙酸龙脑酯,分析标准品,GC≥97%
CHROMATOGRAPHIC-COLUMNS, 35 ML, ST-PTFE-STOPCOCK, W. SOLID PLUG, SCREW-THREAD RETAINING NUT, 15 X
1,5-二羟基萘
氢氧化钴
4-甲氧基二苯胺