TruBlu* LED Transilluminator, Features: Large Viewing Area: 14.5 x 18 cm, Blue Light High Intensity Control, Orange Contrast Lid, Durable Steel Casing, DNA gels stained with SYBR* Safe, Vivid Results in Education,
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