Sigma-Aldrich
Series A gas syringe
Sample-Lok® A 系列气体注射器
Sigma-Aldrich® standard Ag/AgCl double junction pH combination electrode, glass body
Spinpak® stir bar
Waste solvent funnels
WHEATON® Dry-Seal vacuum desiccator
Worthington Accessories
Worthington 配件
Hanna bench pH meters
Julabo® open circulating baths, M models
Heidolph Reax overhead shakers
IKA® A11 basic analytical mill
IKA ® A11 基础分析研磨机
Julabo® bath test tube racks
Julabo® shaking water baths
Kern PCB precision balances