US$ 36.40
(use your imagination)
environmental chemistry
Cover-protected single-phase rheostat with constantan winding and 4mm safety socket terminals
and protein separation across three selectable ranges (0-50V
Typical plant cell model on a plastic base exposes cell wall
Laboratory Grade Coarse Iron Filings, 500g Lab Equipment_Meters & Testers (use your imagination)Five hundred gram bottle of coarse 50 mesh laboratory grade iron filings, the standard iron source for visualizing magnetic field lines and demonstrating sulfur iron compound synthesis.
US$ 36.40
US$ 34.95
US$ 34.30
US$ 22.54