产品性质
Sigma-Aldrich
Oakton® thermometer/timer
DuraSealTM laboratory stretch film
PROHEAT® heat gun
Ace European-style three-neck flask
Ace four-neck round-bottom flask
Ace precision-ground shaft
Ace round-bottom flask with threaded side-arm
Aldrich® cold-finger condenser
Aldrich® glass pH electrode
Aldrich® non-corrosive lecture-bottle gas regulator