US$ 17.80
this enclosed spectrum tube power supply holds a 26 cm tube behind a safety door and wears a flat black finish to cut ambient light during spectroscopy
Five-part DNA structure model demonstrates base pairing
configurable for compound-pulley force-reduction experiments
Wall automatic roll back spring action screens (box type casing)
Detergents and the Environment Chemistry Kit Lab Equipment and Supplies_Lab Equipment this enclosed spectrum tube powerDetergents and environment kit investigates environmental chemistry through biodegradation testing, water quality impact, and sustainable chemistry principles.
US$ 17.80
US$ 1824.50
US$ 1824.50
US$ 259.20