Hypersil GOLD 50x4.6mm 5um 色谱柱
商家询价 上海希言科学仪器有限公司
真空水解管 18ml,1个
Deuterium Lamp for PinAAcle 500/900F/H/T
1.5ml的surestop样品瓶,透明带标签,100/包
TAC-ULP1 超低压阴离子浓缩柱5X23MM
Manganese 1 000 μg/mL 2% HNO3 Pure 125mL
GC Injector Adapter Cap Assembly
75cSt Hydrocarbon Oil 1 Gallon
Lumina Hollow Cathode 2" Lamp - Se
CX-1 pH Gradient Buffer Kit (pH 5.6 to 10.2), 125 mL