{"product_id":"sodium-fluorescence-tube-on-furnace-wall","title":"Sodium Fluorescence Tube on Furnace Wall","description":"Product Information: ..\u003cbr\u003eThe highly evacuated, argon-filled glass tube, with multiple distilled sodium coating is mounted on a panel with a viewing window and is intended for operation with the heater for the FranckHertz experiment.\u003cbr\u003eThe entire tube lights up, emitting the yellow Na D line, when heated up and illuminated by light with the sodium spectrum. If however, it is illuminated by white incandescent light, the spectrum of the transmitted light exhibits a dark absorption line where the Na D line would be.","brand":"3B Scientific","offers":[{"title":"Default Title","offer_id":49419056644373,"sku":"3BS1000913","price":905.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/U8482260_01_1200_1200_Sodium-Fluorescence-Tube-on-Furnace-Wall.jpg?v=1761021331","url":"https:\/\/unitedsupplycorp.com\/products\/sodium-fluorescence-tube-on-furnace-wall","provider":"United Supply Corp.","version":"1.0","type":"link"}