500g Ammonium Ferrous Sulphate Hexahydrate 98.5% Extra Pure Easy Installation: Each component of

Easy Installation: Each component of the sodium light source set is easy to install and use

Accessories Included: Comes with a plastic carrying case containing the microscope

The sphere hitting the cork mat on the platform unit activates a switch to turn off the timer

Nickel-Plated Steel Construction: The borers are crafted from high-quality nickel-plated steel

500g Ammonium Ferrous Sulphate Hexahydrate 98.5% Extra Pure Easy Installation: Each component ofActive ingredients: 500g Ammonium Ferrous Sulphate Hexahydrate 98. 5% Extra Pure. Cas Number: 7783 85 9. Molecular Weight: 392. 13. Purity: 98. 5%. MSDS DataSheet can be sent upon request. Designed for use in professional laboratories but is an ideal choice for science classrooms and Experiments. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation. For external use only,