Popular Babysitter Gifts, Cutting Board Gift for Babysitter, Babysitter Appreciation Gift, Thank You Gift or Birthday Gifts for Babysitter 1,385 50+ bought in past month $1999 Spectrum Sys.96 Pale Blue Transparent These tubes acquaint students with the spectra of common gasses in their pure form, as well as for demonstrating wavelength. Discover the power of wavelength with the United Scientific SPTAR01 Argon Spectrum Tube (3/ea). An essential tool for physics and chemistry students, it... An electrode is sealed in each end and attached to a metal end cap with a loop for convenient hookup to wire connections. The glass tubes are 25cm long with the capillary portion about 10cm long. Each spectrum tube includes an activity guide. Argon Y Valve Thermowell, 14/20 - Rocco Scientific Laboratory Glassware Glass Blowing Tubes
