US$ 24.99
25-inch metal frame and end hooks
demonstrating mechanical-to-electrical energy conversion as the crank lights the bulb
electrophorus
Designed for British gas connections
Urinalysis Demonstration Control Fluid, 500mL Included_Stopcock 25-inch metal frame and endUsed as the negative control reference in urinalysis technique demonstrations, this 500mL bottle of demo control fluid lets students practice pH, color, and albumin testing without real urine.
US$ 24.99
US$ 34.99
US$ 23.95