US$ 325.00
Tensiometer-based soil moisture data-logging sensor reading 0 to 50 cBar by detecting vacuum in a water-filled ceramic tip
Typical plant cell model on a plastic base exposes cell wall
Annotated cross-section model of Earth showing crust
(use your imagination)
Laboratory Grade Coarse Iron Filings, 500g Lab Equipment_Meters & Testers Tensiometer-based soil moisture data-logging sensorFive 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$ 325.00
US$ 397.50
US$ 147.50
US$ 49.95