Sigma-Aldrich
Quickfit® round-bottom flasks
Quickfit® wide-neck reaction flask
圆形晶体窗片, Round crystal window
Safe-LabTM Thermometer/Tubing Adapter
Sartorius mLINE® mechanical pipettor
Sartorius mLINE® 机械移液器
Schlenk Kjeldahl reaction and storage flask
Scienceware® ROTO-FLOTM flow indicator
Scissor-handle forceps
Solid cover for type 304 SS pan
Solvent storage flask with glass stopcock on side-arm