{"product_id":"determination-of-plancks-constant-h-apparatus","title":"Determination of Planck's Constant (h) Apparatus","description":"Mounting plate with six colored light-emitting diodes with different emission wavelengths for determining Planck’s constant h by measuring the cut-off voltage as a function of the frequency of the emitted light. Light-emitting diodes with series resistors mounted on a base plate with a stem.","brand":"3B Scientific","offers":[{"title":"Default Title","offer_id":49419056742677,"sku":"3BS1000917","price":611.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/U8482460_01_1200_1200_Determination-of-Plancks-Constant-h-Apparatus.jpg?v=1761021343","url":"https:\/\/unitedsupplycorp.com\/products\/determination-of-plancks-constant-h-apparatus","provider":"United Supply Corp.","version":"1.0","type":"link"}