半岛bd体育手机客户端 性质
SUPELCO
Ceramic Outer Tube for D-Torch
Chloride Test Refill pack
Chromium VI-WS
气相色谱涂层填料, Coated GC Packing
Column Tag
色谱柱标签
带 PTFE/橡胶隔垫的钳口密封盖, Crimp seals with PTFE/rubber septa
1063 型袋式取样器的临界孔口, Critical Orifice For Model 1063 Bag Sampler
密度标准品 1251kg/m3, Density Standard 1251 kg/m3
Dibromoacetonitrile
二溴乙腈
Discovery?DSC-WCX SPE Tube
Discovery?DSC-WCX 固相萃取管