50R-C/F-5/0.63C 50uL 进样针 (36503015),1个/包
商家询价 上海希言科学仪器有限公司
Magnesium Matrix Modifier 1% 100 mL
PTFE Tubing 700 mm
ASRS300 阴离子抑制器-老款4MM
Lead 1 000 μg/mL 2% HN03 Pure 125 mL
AS15 阴离子分析柱,4X250MM
GC/MS Gas Purifier 21" 1/8FIT
气相盖垫 BTO 17MM 10/PK
Accucore XL C18 色谱柱4x250x4.6mm
SCG1 保护柱 ,4X50MM