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
Periphyton sampler for growing microorganisms on submerged surfaces and then analyzing in lab SS wire frame, reusable glass slides and two polyurethane floats, Perfect for algae, zebra mussels and other growth under a microscope for identification and counting
Periphyton sampler for growing microorganisms on submerged surfaces and then analyzing in lab SS wire frame, reusable glass slides and two polyurethane floats. Perfect for algae, zebra mussels and other growth under a microscope for identification and counting, pack 10