Transparent Turbidity Tube, simple apparatus is used to determine the transparency of water in lakes, streams, oceans as well as other bodies of water, Contains: 60cm transparent turbidity tube, rubber stopper with Secchi disc, 20cm silicon tube, Hoffman's clip, steel
SureSeal S* Microcentrifuge with cap, Color: clear, sterile, with self-standing bag & Stop-Pops*, RNase, DNase and pyrogen free, for a broad range of research applications, including enzyme digests, DNA isolation/purification, centrifugation, Size: 2.0ml
Spectrum Discharge Tube, Mercury Gas to show spectral lines of pure substances. Tubes approximately 260mm long, central capillary portion approximately 3-1/2 to 4 (90-100mm) long with electrodes sealed at both ends and connected to lead wires protected by metal caps
Spectrum Tubes Deuterium, glass tubes approximately 10-1/4in (260mm) long, central capillary portion approximately 3-1/2in to 4in (90-100mm) long with electrodes sealed at both ends and connected to lead wires protected by metal caps.