AG17-C 阴离子保护柱,2X50MM
商家询价 上海希言科学仪器有限公司
SCG1 保护柱 ,4X50MM
用于Trace 1300 系列GC PTV进样口的衬管密封圈,1个/包
NexION KED Setup Solution 250 mL
HF-Resistant Internal Standard Kit
Copper 1 000 μg/mL 2% HN03 Pure 125 mL
手动 去盖器 用于 20mm钳口密封盖,1/包
PTFE Tubing 1000 mm
5ml样品瓶架
S225/S275 Sample w/Valco Connect. Needle