{"product_id":"electrodes-for-student-cell-aluminium-1","title":"Electrodes for Student Cell","description":"\u003cp\u003eThese Student Cell Electrodes are standard metal strips (typically measuring around 100 x 19 mm or 125 x 25 mm) designed for use in a Voltaic Cell or \"Student Cell\" setup. They allow students to build various batteries and explore the Electrochemical Series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eElectrode Functions and Combinations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn a student cell, two different metal electrodes are placed in an electrolyte (like dilute sulfuric acid or copper sulfate) to generate a voltage. Here is how these specific metals typically behave:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium and Iron:\u003c\/strong\u003e Highly reactive metals that usually act as the Anode (negative terminal) when paired with less reactive metals like Copper or Silver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead \u0026amp; Tin:\u003c\/strong\u003e Often used to demonstrate the effects of \"polarization\" in a cell or to study the chemistry of lead-acid batteries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNickel \u0026amp; Brass:\u003c\/strong\u003e Excellent for experiments involving electroplating, where one metal is coated onto another using an electric current.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThe Electrochemical Series (Standard Potentials)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBy swapping these electrodes in and out of a cell, students can measure the resulting voltage (Electromotive Force or EMF) to determine which metals are more \"active.\" Generally, the further apart two metals are on the following simplified list, the higher the voltage they will produce:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eAluminium (Most reactive \/ strongest Anode potential)\u003c\/li\u003e\n\u003cli\u003eIron\u003c\/li\u003e\n\u003cli\u003eNickel\u003c\/li\u003e\n\u003cli\u003eTin\u003c\/li\u003e\n\u003cli\u003eLead\u003c\/li\u003e\n\u003cli\u003eCopper (Commonly used as the Cathode\/Positive terminal)\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-purity metal sheets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: Usually consistent across the range to fit standard Student Cell Jars and Electrode Holders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminals:\u003c\/strong\u003e Most strips feature a hole at the top for easy connection via crocodile clips or are designed to slide into a specialized holder with screw terminals.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SmartLabs","offers":[{"title":"Aluminium","offer_id":46927135375513,"sku":"JN-PH0927A","price":28.0,"currency_code":"ZAR","in_stock":true},{"title":"Brass","offer_id":46927135408281,"sku":"JN-PH0927B","price":40.0,"currency_code":"ZAR","in_stock":true},{"title":"Lead","offer_id":46927135441049,"sku":"JN-PH0927F","price":40.0,"currency_code":"ZAR","in_stock":true},{"title":"Nickel","offer_id":46927135473817,"sku":"JN-PH0927G","price":92.0,"currency_code":"ZAR","in_stock":true},{"title":"Tin","offer_id":46927135506585,"sku":"JN-PH0927H","price":60.0,"currency_code":"ZAR","in_stock":true},{"title":"Iron","offer_id":46927135539353,"sku":"JN-PH0927J","price":39.1,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/3584\/1945\/files\/electrodes-for-student-cell-4506224.png?v=1777992729","url":"https:\/\/smartlabs.co.za\/products\/electrodes-for-student-cell-aluminium-1","provider":"SmartLabs","version":"1.0","type":"link"}