Urinalysis Demonstration Fluid with Phosphates, 500mL Glass Funnels_Dropping Funnels Single-pole double-throw switch on a

Single-pole double-throw switch on a demonstration base

the deeper body extending the visible refraction path for ray-box and Snell's law refraction studies

Range 10Hz to 300Hz/sec

5-inch height for free-spinning compass and magnetometer demonstrations

Straight-pattern glass key stopcock in borosilicate glass provides controlled flow for burettes and chemistry apparatus assemblies

Urinalysis Demonstration Fluid with Phosphates, 500mL Glass Funnels_Dropping Funnels Single-pole double-throw switch on aPhosphate spiked 500mL of urinalysis demonstration fluid, simulating elevated phosphate urine for pH, color, and clarity testing during clinical laboratory technique training without real samples.