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NexGen Spectrum Tube, Air YBlocklist Students read band positions and Students read band positions and compare them to other spectra at their own pace Air P2 9900 01 Argon P2 9900 02 Carbon Dioxide P2 9900 03 so labs run on the students' schedule Students comparing the air tube side by side with an argon or neon tube immediately see why different materials produce different spectral fingerprints
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