Periodic table of spectra makes it clear to students that each element has its own spectral fingerprint, Poster Heading: Emission Spectra of Elements, Size: 24 x 36in
Eudiometer, Demonstrate the combining volume ratios of gases, Platinum electrodes included, Long, sturdy glass tubes have platinum electrodes sealed at the closed end with a 2 mm arc gap, Tubes are marked with a permanent brown scale in 0.1 or 0.2 mL divisions, Size: 100ml