Sigma-Aldrich
Quickfit?three-neck round-bottom flasks with vertical necks
Real Crystal?IR sample cards
Real Crystal?红外样品卡片
Rigid PTFE sleeve
Round bottom flask
Rubber ring for Quickfit?cone/screw thread adapter
Schlenk reaction and storage tube
Single-bulb ball-tube
Solid glass plug
Stainless steel 304 syringe needle