Sigma-Aldrich
Plier-type decapper
钳口启盖器
PTFE stirrer guides
PTFE syringe tubing
PTFE 注射器管
Quickfit® ground-glass stoppers
Quickfit® separating funnels
Quickfit® three-neck round-bottom flasks with vertical necks
Raschig rings
拉西环
Real Crystal® IR sample cards
Real Crystal® 红外样品卡片
Rigid PTFE sleeve
Round bottom flask
Schlenk reaction and storage tube
Single-bulb ball-tube