Sigma-Aldrich
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
Hettich?ROTINA 420/420R centrifuge