In some states and countries, however, you might be prohibited from buying nitric acid or you might have to meet certain standards before you’re allowed to purchase it. Check with your local authorities before purchasing. {“smallUrl”:“https://www. wikihow. com/images/thumb/4/43/Remove-Gold-from-Circuit-Boards-Step-2Bullet1-Version-5. jpg/v4-460px-Remove-Gold-from-Circuit-Boards-Step-2Bullet1-Version-5. jpg”,“bigUrl”:"/images/thumb/4/43/Remove-Gold-from-Circuit-Boards-Step-2Bullet1-Version-5. jpg/aid4861426-v4-728px-Remove-Gold-from-Circuit-Boards-Step-2Bullet1-Version-5. jpg",“smallWidth”:460,“smallHeight”:345,“bigWidth”:728,“bigHeight”:546,“licensing”:"<div class="mw-parser-output">

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Break the circuit boards into smaller pieces before you put them in the glass container. {“smallUrl”:“https://www. wikihow. com/images/thumb/3/3c/Remove-Gold-from-Circuit-Boards-Step-3Bullet1-Version-5. jpg/v4-460px-Remove-Gold-from-Circuit-Boards-Step-3Bullet1-Version-5. jpg”,“bigUrl”:"/images/thumb/3/3c/Remove-Gold-from-Circuit-Boards-Step-3Bullet1-Version-5. jpg/aid4861426-v4-728px-Remove-Gold-from-Circuit-Boards-Step-3Bullet1-Version-5. jpg",“smallWidth”:460,“smallHeight”:345,“bigWidth”:728,“bigHeight”:546,“licensing”:"<div class="mw-parser-output">

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<br />\n</p></div>"} Do not use plastic containers as the acid might burn right through it. {“smallUrl”:“https://www. wikihow. com/images/thumb/b/bb/Remove-Gold-from-Circuit-Boards-Step-3Bullet2-Version-5. jpg/v4-460px-Remove-Gold-from-Circuit-Boards-Step-3Bullet2-Version-5. jpg”,“bigUrl”:"/images/thumb/b/bb/Remove-Gold-from-Circuit-Boards-Step-3Bullet2-Version-5. jpg/aid4861426-v4-728px-Remove-Gold-from-Circuit-Boards-Step-3Bullet2-Version-5. jpg",“smallWidth”:460,“smallHeight”:345,“bigWidth”:728,“bigHeight”:546,“licensing”:"<div class="mw-parser-output">

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To be safe, wear protective gloves when breaking off the plastic. {“smallUrl”:“https://www. wikihow. com/images/thumb/0/0d/Remove-Gold-from-Circuit-Boards-Step-12Bullet1-Version-5. jpg/v4-460px-Remove-Gold-from-Circuit-Boards-Step-12Bullet1-Version-5. jpg”,“bigUrl”:"/images/thumb/0/0d/Remove-Gold-from-Circuit-Boards-Step-12Bullet1-Version-5. jpg/aid4861426-v4-728px-Remove-Gold-from-Circuit-Boards-Step-12Bullet1-Version-5. jpg",“smallWidth”:460,“smallHeight”:345,“bigWidth”:728,“bigHeight”:546,“licensing”:"<div class="mw-parser-output">

\u00a9 2023 wikiHow, Inc. All rights reserved. wikiHow, Inc. is the copyright holder of this image under U. S. and international copyright laws. This image is not</b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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