铝制钳口瓶盖 带硅树脂/PTFE密封垫 ,100/包
商家询价 上海希言科学仪器有限公司
Ag/H 柱2.5CC, 48只/袋
Calcium 1 000 μg/mL 2% HNO3 Pure 125 mL
Luer-Lock Tip Disp. Syringe 5mL Pkg.125
AS14A 阴离子分析柱,3X150MM
250x4.6mm 5um Hypersil GOLD
Non HF-Resistant Internal Standard Kit
RP 柱2.5CC, 48只/袋
CTFE Male Barb Fitting
气相盖垫 BTO X-145 17MM 50个/包