Spouting Cylinder, Acyrlic - Snell'S Law Apparatus, Demonstrating Principles Of Snell'S Law, 2.3in (60mm) Diameter Pipe, 15.5in (400mm) Total Height, Includes: Demonstrate Snell'S Law From An Acrylic Pipe.
Determination of the Hardness of Water, Kit Includes:4x500 ml EDTA Solution, 0.005M, 2x200 ml Buffer Solution, 2x15 ml EBT Solution (Eriochrome Black, 0.1%) UN1219