Urinalysis Demonstration Fluid with Phosphates, 500mL Glass Funnels_Dropping Funnels Flat-bottom narrow-neck boiling flask in

Flat-bottom narrow-neck boiling flask in autoclavable borosilicate glass holds 3000mL for large-volume heating

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

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

Penny head solid cone stopper in borosilicate glass features 29/32 cone for sealing ground joint vessels with finger-grip top design

Single-pole double-throw switch on a demonstration base

Urinalysis Demonstration Fluid with Phosphates, 500mL Glass Funnels_Dropping Funnels Flat-bottom narrow-neck boiling flask inPhosphate spiked 500mL of urinalysis demonstration fluid, simulating elevated phosphate urine for pH, color, and clarity testing during clinical laboratory technique training without real samples.