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• 16:02, 10 September 2026 Harry talk contribs created page Working with Piranha (Created page with "==Mixing KOH pellets and etching== <div style="background-color: #c0c0c0; border: 1px solid #00000; padding: 10px; border-radius: 5px;"> * Book the HF fumehood in CR1. : ''It is recommended to use a setup where you can run your process undisturbed'' * Gather all necessary glassware: ** two PTFE (Teflon) beakers * Gather all necessary chemicals: ** Concentrated sulfuric acid ** Hydrogen peroxide * Turn on MQ 30-minute timer. Flush the MQ for 30 seconds * Make sure you hav...")