 | |
you pay no sales tax | |
| ||||||
|
|
||||||||||||||||||||||||||||||||||||||||||
| Krypton Spectrum Tube Item number SPTKR01. Regularly stocked item. Usually ships within 3 to 5 business days. United Scientific |
|
| |||||||||||||||||||||||||||||||
The classic demonstration of spectral lines. This Krypton Spectrum tube will acquaint students with the spectra of this gas in its pure form and also for demonstrating wavelength. The gas has a distinctive set of spectral lines when energized and viewed through a spectroscope. A spectrum tube power supply (not included) is required to energize the tubes. The glass tube is 25cm long with the capillary portion about 10cm long. An electrode is sealed in each end and attached to a metal end cap with a loop for convenient hookup to wire connections. Includes an activity guide. |
| Forces and Simple Machines Kit The kit contains a variet... grades 8 to 12 more |
save 50% $182.55 
|
| Elementary Simple Machines Kit Recommended for grades 3 ... grades 8 to 12 more |
save 50% $107.55
|
| Atoms - Electrons and Energy Kit This kit contains materia... grades 8 to 12 more |
save 50% $201.05
|
| Inertia Demonstrator This durable inertia demo... grades 8 to 12 more |
save 50% $16.05
|