Sigma-Aldrich
Quickfit?round-bottom flasks
Quickfit?wide-neck reaction flask
圆形晶体窗片, Round crystal window
Sartorius mLINE?mechanical pipettor
Sartorius mLINE?机械移液器
Schlenk Kjeldahl reaction and storage flask
Scienceware?ROTO-FLOTMflow indicator
Scissor-handle forceps
Solid-phase peptide synthesis flask