Sigma-Aldrich
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® gel fixing tray
Scissor-handle forceps
Screw-cap, bushing and O-ring set for Aldrich® student glass kit
Solvent still heads
Wilmad® NMR tubes 10 mm diam., precision