Eisco Spectrum Tube Is Used For Demonstrating Spectral Lines Of Pure Substances And Contains Iodine (I) Vapor Under Pressure To Produce Light For Spectral Analysis The Tube Has A 100Cm Capillary In The Center For Observing Light Wavelengths And Is Straight Form With Side Electrodes For Conductivity The Tube Measures 260Cm (H) And Is Made Of Glass For Transparency And Resistance To Heat (H Is Height The Vertical Distance From The Lowest To Highest Point) Glass Is An Inert Brittle Solid Heat-Resistant And Typically Transparent It Is Relatively Easily Cut And Shaped The Tube Requires A Spectrum Tube Power Supply For Operation (Sold Separately) And Should Be Operated At 30-Second On/Off Intervals For Longer Product Life And Safer Use The Tube Is Suitable For High School Or College Students Or Ages 13 To 21 Science Education Products Incorporate Applied Math And Science Principles Into Classroom And Homeschool-Based Projects Teachers In Pre-K Elementary And Secondary Classrooms Use Science Education Kits And Products Alongside Science Technology Engineering And Math (Stem) Curriculum To Demonstrate Stem Concepts And Real-World Applications Through Hands-On Activities Science Education Projects Include A Broad Range Of Activities Such As Practical Experiments In Engineering Aeronautics Robotics Energy Chemistry Physics Biology And Geology Eisco Scientific Manufactures And Supplies Lab Equipment For Education And Industry The Company Founded In 1968 And Headquartered In Rochester Ny Meets International Organization Of Standardization (Iso) Standard 9001 2000
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