分析柱250x4.6mm 5um Hypersil SAX
商家询价 上海希言科学仪器有限公司
TG-624SilMS GC Column,60m x 0.25mm x 1.4um
Quartz Type A Nebulizer 0.5mL/min
Accucore XL C18色谱柱 4x250x2.1mm
Lumina Hollow Cathode 2" Lamp - Se
Manganese 1 000 μg/mL 2% HNO3 Pure 125mL
40 mL Amber Vial Kit Pkg. 72 Septa Cap
OMNIPAC PAX-500 分析柱 (4 X 250 MM)
Stainless Steel Injector Needle
铝制钳口瓶盖 带硅树脂/PTFE密封垫 ,100/包