产品性质
Sigma-Aldrich
Quickfit® jacketed coil condenser
Quickfit® sintered bottle heads
Quickfit® Soxhlet extractor body
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