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
Mixed Calibration Standard 500 mL
AS22 阴离子分析柱,4X250MM
PTFE Tubing 700 mm
Graphite Ferrule 0.5mm ID
气相盖垫 BTO 17MM 10/PK
Lead 1 000 μg/mL 2% HN03 Pure 125 mL
150x4.6mm 5um Hypersil GOLD aQ
Graphite Ferrule 1.0 mm Pkg. 10
5ml样品瓶架