Sigma-Aldrich
2-Methylindene
2-亚甲基
Pinch clamps for SJ joints
PTFE stirrer guides
PTFE syringe tubing
PTFE 注射器管
Quickfit® ground-glass stoppers
Quickfit® jacketed coil condenser
Quickfit® sintered bottle heads
Quickfit® three-neck round-bottom flasks with vertical necks
Reaction and storage flask, Kjeldahl, with glass stopcock on side-arm
Real Crystal® IR sample cards
Real Crystal® 红外样品卡片
Rigid PTFE sleeve
Rubber ring for Quickfit® cone/screw thread adapter
Schlenk reaction and storage tube